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EN 303 098-1 - V1.2.1 - Electromagnetic compatibility and

1. nearest point of the EUT is recorded 7 10 3 Requirements The minimum distance to obtain the required deflection D nin shall be recorded in the test report ETSI 27 ETSI EN 303 098 1 V1 2 1 2014 09 7 11 Solar radiation test This test need not be carried out if the manufacturer produces sufficient evidence that the components materials etc maintain their specified mechanical and electrical performance against the effects of continuous solar radiation 7 11 1 Definition The immunity against the effects of continuous solar radiation is the ability of the equipment to maintain the specified mechanical and electrical performance after the following test has been carried out 7 11 2 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 The equipment shall be placed on a suitable support and exposed continuously to a simulated solar radiation source table 7 for 80 hours The intensity at the test point which shall also include any radiation reflected from the test enclosure shall be 1 120 W m 10 with a spectral distribution given in table 7 Table 7 Spectral distribution Spectral Region Ultra violet B Ultra violet A Visible Visible infrared Bandwidth 0 28 to 0 32 0 32t00 40 0 40 to 0 52 0 52 to 0 64 0 64 to 0 78 0 78 to 3 00 um Radiance W m2 Tolerance NOTE Radiation shorter than 0 30 um reaching the earth s surface is insignificant
2. Figure 6 Measurement arrangement for modulation accuracy Tp edge transmitter under test Option A RF Signal Analyser Option B NOTE Itis permissible to use data recovery filter between the test discriminator and the storage oscilloscope provided that it has a bandwidth of at least 100 KHz The measuring device shall be synchronized to the nominal start time of the first preamble bit Ty using the modified sample of the EUT submitted by the manufacturer clause 6 5 4 Using test signal 2 the delay from the T timing edge provided by EUT see clause 6 5 4 is adjusted until the centre position of the first data bit bit 0 is determine as the trigger point Tg Holding these settings test signal 2 is replaced with test signal 1 to confirm that Tp has been correctly determined ETSI 34 ETSI EN 303 098 1 V1 2 1 2014 09 The transmitter shall be modulated with test signal number 2 The deviation from the carrier frequency shall be measured as a function of time The transmitter shall be modulated with test signal number 1 The deviation from the carrier frequency shall be measured as a function of time 8 6 3 Limit In each case the observed training sequence shall begin with a 0 The peak frequency deviation at various points within the data frame shall comply with table 9 These limits apply to both the positive and negative modulation peaks Bit 0 is defined as the first bit of the training sequence Tabl
3. H AIS1 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS2 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS1 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS2 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS1 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS2 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS1 Message 1 Nav Status 14 comm state time out 0 sub message incr H AIS2 Message 1 Nav Status 14 comm state time out 0 sub message incr In the 8 burst the increment to the next burst sub message incr shall be randomly selected between 2 025 and 2 475 slots This pattern of transmissions is repeated It is permissible to start the sequence on AIS2 Message 14 is transmitted at the 1 and 5 bursts slot time out 7 and 3 thereby ensuring that all future Message 14 messages are pre announced B 2 Testmode When operating in the test mode there shall be one burst of 8 messages 4 on each channel alternating AIS1 Message 14 MOB TEST H AIS2 Message 1 Nav Status 15 not defined comm state time out 0 sub message 0 H AIS1 Message 1 Nav Status 15 not defined comm state time out 0 sub message 0 H AIS2 Message 1 Nav Status 15 not defined comm state time out 0 sub message 0 H AIS1 Message 1 Nav Status 15 not defined comm state time out 0
4. Video bandwidth 1 MHz Scan bandwidth zero span ETSI 33 ETSI EN 303 098 1 V1 2 1 2014 09 Centre frequency Carrier frequency as measured in clause 8 1 Detector type sample detector single sweep mode The spectrum analyser shall be synchronized to the nominal start time of the slot Tg which is provided by a modified sample of the EUT submitted by the manufacturer clause 6 5 4 8 5 3 Limit The transmitter power shall remain within the mask shown in figure 5 and associated timings given in table 8 8 6 Transmitter Transient Behaviour frequency deviation 8 6 1 Definition The transient behaviour frequency deviation of the transmitter is determined by the time dependency of the frequency deviation during the transmission of an AIS message A test to verify that the training sequence starts with a O and is a 0101 pattern of 24 bits The peak frequency deviation 1s derived from the baseband signal to verify modulation accuracy 8 6 2 Method of measurement The measurement is made under normal and extreme conditions see clauses 6 7 and 6 8 for frequency AIS1 and repeated for AIS2 The transmitter shall be connected to an artificial antenna see clause 6 4 comprising a power attenuator and a suitable measuring device either option A or option B of figure 6 variable delay power attenuator variable delay Tp edge transmitter power test storage under test attenuator discriminator oscillascope
5. sub message 0 ETSI 50 ETSI EN 303 098 1 V1 2 1 2014 09 H AIS2 Message 1 Nav Status 15 not defined comm state time out 0 sub message 0 H AIS1 Message 1 Nav Status 15 not defined comm state time out 0 sub message 0 H AIS2 Message 14 MOB TEST It is permissible to start the sequence on AIST B 3 Default message field values On activation or if timed out in test mode if the GNSS is unable to provide a valid position fix then the reported position shall be longitude 181 not available default and latitude 91 not available default COG not available default SOG not available default and the time stamp field shall be set to a value of 63 If in active mode the GNSS is able to provide a valid position fix but that fix is subsequently lost then the locating device shall continue to transmit with the last known position COG and SOG The time stamp field shall be set to a value of 62 estimated position and with the synchronization state set to 3 ETSI 51 ETSI EN 303 098 1 V1 2 1 2014 09 Annex C informative Bibliography IEC 61097 14 Global maritime distress and safety system GMDSS Part 14 AIS search and rescue transmitter AIS SART Operational and performance requirements methods of testing and required test results ETSI 52 ETSI EN 303 098 1 V1 2 1 2014 09 History Document history v1 1 0 May 2013 EN Approval Procedure AP 20130917 2013 05 20 to 2013 09 17 VIII
6. 180 and 270 from the maximum shall also be recorded avoiding nulls where possible by movement of the receive antenna by no more than 10 The transmitter shall be replaced by a substitution antenna as defined in annex A The substitution antenna shall be connected to a calibrated signal generator The frequency of the calibrated signal generator shall be adjusted to the transmit carrier frequency The input attenuator setting of the measuring receiver shall be adjusted in order to increase the sensitivity of the measuring receiver if necessary The test antenna shall be raised or lowered through the specified range of heights to ensure that the maximum signal is received The input signal to the substitution antenna shall be adjusted to the level that produces a level detected by the measuring receiver that is equal to the level noted to that detected from the equipment under test corrected for the change in input attenuator setting of the measuring receiver The maximum ERP is equal to the power supplied by the signal generator increased by the gain of the substitution antenna and corrected for the change in the attenuator 8 3 3 Limits For equipment tested using the support described in clause A 4 1 the maximum ERP shall be 600 mW 3 dB For equipment tested using the support described in clause A 4 2 the average of the four measurements recorded shall be 600 mW 3 dB 8 4 Transmitter spectrum mask 8 4 1 Definition The trans
7. 2 sub message slot H AIS2 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot The 3 burst shall be as follows H AIS1 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS1 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS1 Message 1 Nav Status 14 comm state time out 5 sub message 0 ETSI 49 ETSI EN 303 098 1 V1 2 1 2014 09 H AIS2 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS1 Message 1 Nav Status 14 comm state time out 5 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 5 sub message 0 The 7 burst shall be as follows H AIS1 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS2 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS1 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS2 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS1 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS2 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS1 Message 1 Nav Status 14 comm state time out 1 sub message utc H AIS2 Message 1 Nav Status 14 comm state time out 1 sub message utc The 8 burst shall be as follows
8. 7 11 3 Requirements The test shall not cause the equipment to activate or operate spuriously No damage shall be visible to the naked eye and the equipment shall not show any sign of significant external damage 7 12 Oil resistance test This test need not be carried out if the manufacturer produces sufficient evidence that the components materials etc maintain their specified mechanical and electrical performance against the effects of corrosion 7 12 1 Definition The immunity against the effects of immersion in mineral oil is the ability of the equipment to maintain the specified mechanical and electrical performance after the following test has been carried out 7 12 2 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 The equipment shall be immersed horizontally for a period of 24 hours under a 100 mm head of mineral oil as specified below at normal room temperature aniline point 120 C flash point minimum 240 C viscosity 10 25 cSt at 99 C ETSI 28 ETSI EN 303 098 1 V1 2 1 2014 09 The following oils may be used ASTM Oil No 1 ASTM Oil No 5 E ISO Oil No 1 7 12 3 Requirements The test shall not cause the equipment to activate or operate spuriously No sign of damage such as shrinking cracking swelling dissolution or change of mechanical qualities of the equipment including labelling shall be visible to the naked eye 7 13 Protection
9. ENEE ENEE dee NEEN ENNEN seetee edocbdensatartenee 27 7 12 3 Requirements ca ia 28 7 13 Protection oF the transmitter TTT 28 7 13 1 DAS A Geo Bee EE EE Ee EE eee 28 7 13 2 Method ot measurements nere vtedeceesa vue sevelecaceassbubentediveseostgebecedeedessvee r E 28 7 13 3 Requirement ich ck ide Dee 28 8 Tests n the AIS transmitter onse pa E EE E a E E E a E aea a eit 28 8 1 Frequency Grrr ereere a E geed ENEE tcs 28 8 1 1 a eer E AEE E E eee 28 8 1 2 Method of measurement a aan 28 8 1 3 LIME ee e eebe bere E T EE TA 29 8 2 Conducted PO enee deene ebe er 29 8 2 1 IST S ne O be ee eee 29 8 2 2 Method of measurement under normal test conditions sss sees eee eee 29 8 2 3 LME A Ce Ce 29 8 3 Maximum Effective Radiated Power PRP 29 8 3 1 DSH eege ORNS 29 8 3 2 Method of Measurement cccccccccccecsesssaececececsessnseeecececsessseaecececeeseseaececececsesaaueaecececesaaeeeeeeecseneaaaaaeees 29 8 3 3 DATUM ES ssc bette enc a rn DIA Ee Ren 30 8 4 Transmitter spectrum mask T 30 8 4 1 SS A 30 8 4 2 Method of measurement ii ad EEN ENEE ENEE 30 8 4 3 ELE 31 8 5 Transmitter transient behaviour output power 31 8 5 1 DS a a aa chase sess een cee Eare EIS AE ERESI leases 31 8 5 2 Method of measurement cionado R E RER ARA NE r NEN Ra ENNEN EE 32 8 5 3 iani AEE EE E AS caca 33 8 6 Transmitter Transient Behaviour frequency deviation sss sese esse ee eee eee eee 33 8 6 1 SS Geddes specs tects ve ceuensttecay E EE E E sa uenceecs
10. EUT still in the chamber the chamber shall be brought to room temperature in not less than 1 hour At the end of the test the EUT shall be returned to normal environmental conditions or to those required at the start of the next test 7 5 3 2 Requirements The test shall not cause the equipment to activate or operate spuriously The requirement for the performance check clause 7 3 shall also be met 7 5 4 Low temperature test 7 5 4 1 Method of measurement The equipment shall be placed in a chamber at normal room temperature Then the temperature shall be reduced to and maintained at 30 C 3 C for a period of at least 10 hours Any climatic devices provided within the equipment may then be switched on and the chamber shall be warmed to 20 C 43 C The warming of the chamber shall be completed within 30 minutes 5 minutes At the end of this period the EUT shall be subjected to the performance check The temperature shall then be maintained at 20 C 3 C for a period of 10 hours to 16 hours At the end of this period the EUT shall again be subjected to the performance check The temperature of the chamber shall be maintained at 20 C 3 C during the whole of the performance check periods 7 5 4 2 Requirements The test shall not cause the equipment to activate or operate spuriously The requirement for the performance check clause 7 3 shall also be met ETSI 23 ETSI EN 303 098 1 V1 2 1 2014 09 7 5 5 Low
11. UTC output from the simulator is used by the timing measurement unit to determine when even or odd slot timing measurements apply The time difference between a legitimate slot start and the measured T shall be compared to the limit of clause 8 7 2 8 7 3 Limit Verify that in case 8 7 2 1 and 2 the EUT transmits a valid position within 5 minutes and that all transmissions with a valid position have a synchronization error including additive jitter of less than 312 us Verify that in case 8 7 2 1 Transmission synchronization error after 40 minutes may drift outside the limit of 312 us The absolute maximum value of the synchronization error after 40 minutes shall be recorded in the test report Verify that in cases 8 7 2 3 the EUT does not transmit at all ETSI 36 ETSI EN 303 098 1 V1 2 1 2014 09 8 8 Spurious emissions 8 8 1 Definition Emission s on a frequency or frequencies which are outside the necessary bandwidth and the level of which may be reduced without affecting the corresponding transmission of information Spurious emissions include harmonic emissions parasitic emissions intermodulation products and frequency conversion products but exclude out of band emissions 8 8 2 Method of measurement Spurious emissions shall be measured using a test site described in annex A The measurement shall be performed with the locating device in its standard position annex A and according to the requirements of claus
12. any is publicly available for ETSI members and non members and can be found in ETSI SR 000 314 Intellectual Property Rights IPRs Essential or potentially Essential IPRs notified to ETSI in respect of ETSI standards which is available from the ETSI Secretariat Latest updates are available on the ETSI Web server http ipr etsi org Pursuant to the ETSI IPR Policy no investigation including IPR searches has been carried out by ETSI No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 or the updates on the ETSI Web server which are or may be or may become essential to the present document Foreword This European Standard EN has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters ERM The present document is part 1 of a multi part deliverable covering the Electromagnetic compatibility and Radio spectrum Matters ERM Maritime low power personal locating devices employing AIS as identified below Part 1 Technical characteristics and methods of measurement Part2 Harmonized EN covering the essential requirements of article 3 2 of the R amp TTE Directive National transposition dates Date of adoption of this EN 1 September 2014 Date of latest announcement of this EN doa 31 December 2014 Date of latest publication of new National Standard or endorsement of this EN dop e 30 June 2015 Date of withdrawal of any conf
13. apply active mode activated mode transmitting in an emergency situation test mode self testing mode not involved in a genuine emergency UTC lock GNSS has precisely locked to UTC so that it can determine SOTDMA slot timing correctly UTC parameters Coordinated Universal Time UTC offset parameters GNSS data that contains leap second offset information 3 2 Symbols For the purposes of the present document the following symbols apply permittivity 0 conductivity A wavelength cSt centi Stokes dB decibel div division S Siemens uT microtesla 3 3 Abbreviations For the purposes of the present document the following abbreviations apply AIS Automatic Identification System ASTM American Society for Testing and Materials CIRM Comit International Radio Maritime COG Course Over Ground CRC Cyclic Redundancy Check CSP Channel SPacing CW Continuous Wave EIRP Effective Isotropic Radiated Power ERP Effective Radiated Power EUT Equipment Under Test GLONASS GLObal NAvigation Satellite System Russian system GMSK Gaussian Minimum Shift Keying ETSI 10 ETSI EN 303 098 1 V1 2 1 2014 09 GNSS Global Navigation Satellite System GPS Global Positioning System GTRF Galileo Terrestrial Reference Frame system IMO MSC International Maritime Organization Maritime Safety Committee ISO International Organization for Standardization ITRF International Terrestrial Reference Frame ITU R International Telecommunicatio
14. drops onto a hard wooden test surface and into water ETSI 21 ETSI EN 303 098 1 V1 2 1 2014 09 7 4 2 Test conditions During the test the equipment shall be fitted with a suitable set of batteries and antenna but it shall be switched off The test shall be carried out under normal temperature and humidity conditions as detailed in clause 6 8 1 The hard wooden test surface shall consist of a piece of solid hard wood with a minimum thickness of 15 cm and a mass of at least 30 kilograms A container of calm sea water shall be used as the other surface The height of the lowest part of the equipment under test relative to the test surface at the moment of release shall be i For drops onto the wooden test surface 1 m ii For drops onto the water 20 m Equipment shall be subjected to this test in the configuration as it is normally used in operational circumstances 7 4 3 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 For drop into water the test shall consist of a single drop test and the test shall be performed on the EUT complete with any detachable shock absorbers which are normally part of it e g a life vest For drops on the wooden surface the test shall consist of six drops once on each face and the test shall be performed on the EUT alone excluding detachable shock absorbers 7 4 4 Requirements After the drops have been completed the equipment shall be ins
15. ii a A AAA te 11 4 3 deleng 11 4 4 Identifier seais 11 4 5 Labelling icant e Ae hes kn Soe eo eel a eh ek AAG Sng Sh ies ok alae ear 12 4 5 1 Labelling Requirements EE Eed EA ia 12 4 6 rt ole EE 12 4 7 POWEL SOU A ra 12 4 7 1 Battery UT TTT depen E EEN ENN 12 4 7 2 Battery Capacity esata EE EE EE EE dE 13 4 7 3 Safety precautions EE 13 5 Technical requirements une atrape cda esla cit a 13 5 1 General EE 13 5 2 AIS transmission Characteristics sises i cscs csecsscnssegstepeavessscesee EEN EEn er EES TEn EE rE EE i S Vibe ENER 13 5 2 1 AIS messa eS eebe ee Deeg EE Eege EEE a aes 13 5 2 1 1 Active EG 14 5 2 1 2 RST TTT 14 5 2 2 SYOCOLONIZAION EE 14 5 2 2 1 Attive MOS iio a A a 14 5 2 2 2 Test MO ERNEST EAR AER 14 5 2 3 GNSS ee EE 14 5 2 3 1 UTC ina aa pp 15 5 2 3 2 UTE parameters stora dee ENEE EEN EEN 15 5 2 4 Required Settings ENEE dc 15 5 2 5 Minimum transmitter performance Characteristics ses sees ee eee ee eee eee 16 5 2 6 VHF Data Link RI 16 5 2 6 1 Active MO ti dan s 16 5 2 6 2 LE MOE oe EE EE EA EEN EA 17 6 General conditions of measurement 0 00 cee E RTE 0S Eee EEEE RAET c E E E ra 17 6 1 A O O 17 6 2 Test E UNTER 17 6 3 I STS 0 0 H Eeer EE 17 6 4 eu EI E TN 17 6 5 BK T k 1 ER EE E TEES 18 6 5 1 Standard test signal number TTT 18 6 5 2 Standard test Signal number ita ios trienio eea toes didnt EEEE a lao SE REEE K EIEEE oasis opra it 18 6 5 3 Standard test signal number Bicis lisis becuse ratita still ISERE EEE a aea
16. in clause A 4 1 The standard position for equipment that is not intended to be worn on a person is given in clause A 4 2 EXAMPLE Float free equipment that is attached by a lanyard For category 2 locating devices the manufacturer shall determine the most appropriate support between clauses A 4 1 and A 4 2 and shall give reasoning in the test report Category 2 equipment tested under clause A 4 2 shall be tested affixed to its buoyancy aid as normally deployed A 4 1 Artificial human support Equipment which is intended to be worn on a person shall be tested using a salty man as support as described in TR 102 273 7 3 Artificial human beings The simulated man comprises a rotatable acrylic tube filled with salt NaCl water with acrylic caps at both ends placed on the ground The preferred dimensions of the container are H height 1 7 m H outside diameter 305 mm H sidewall thickness 4 8 mm The container shall be filled with a salt NaCl solution of 1 49 g per litre of distilled water o 0 26 Sim e 77 The equipment shall be fixed to the surface of the simulated man at the appropriate height for the equipment NOTE To reduce the weight of the simulated man it may be possible to use an alternative tube as described in TR 102 273 7 3 ETSI 47 ETSI EN 303 098 1 V1 2 1 2014 09 A 4 2 Float free support The equipment shall be oriented in a manner in which it is designed to operate and placed on a circular ground pl
17. minute The sub message for time out O slot offset to the transmission slot in the next frame Transmission schedule of Message 14 Required results The following is required a b c d 9 1 8 Message 14 is transmitted every 4 minutes The transmissions of Message 14 are alternating between AIS1 and AIS2 Message 14 is transmitted in a Message 1 slot replacing the Message 1 on the channel for which the Message 1 was scheduled Message 14 did not replace a Message 1 with a time out value 0 Transmission with lost GNSS Required results For position reports transmitted after 45 minutes the following applies a b c d e f g h i The EUT continues transmission The same transmission schedule is used as with GNSS data available Communication State Sync state 3 SOG last valid SOG Position accuracy low Position last valid position COG last valid COG Time stamp 62 RAIM flag 0 ETSI 39 ETSI EN 303 098 1 V1 2 1 2014 09 j Verify correct indication as per manufacturer s documentation 9 2 Test mode tests with GNSS data available These tests require analysis of the transmissions of the EUT in test mode 9 2 1 Method of measurement Activate the EUT in test mode with GNSS data available and record transmissions 9 2 2 Required results The following is required a The EUT starts transmission after valid GNSS data is available b A single burst of 8 messag
18. of the transmitter 7 13 1 Definition When operating the locating device transmitter shall not be damaged due to antenna mismatching and shall remain water tight 7 13 2 Method of measurement This test shall be carried out on the same sample of the equipment used for testing to and after all the preceding tests in clause 7 have been carried out With the transmitter operating the equipment shall be completely immersed in water to a depth of 1 m for a period of 5 minutes For equipment fitted with an extendible antenna the test shall be carried out with the antenna fully extended and repeated with the antenna fully retracted under normal test conditions Saline solution of normal sea saltiness see corrosion test in clause 7 7 shall be used 7 13 3 Requirement The test shall not cause the equipment to deactivate or operate spuriously No damage shall be visible to the naked eye and the equipment shall not show any sign of significant external damage or harmful penetration of water and the requirements of the performance check clause 7 3 shall also be met 8 Tests on the AIS transmitter 8 1 Frequency error 8 1 1 Definition The frequency error of the transmitter is the difference between the measured carrier frequency in the absence of modulation and its required frequencies AIS1 and AIS2 8 1 2 Method of measurement The carrier frequency shall be measured with the equipment placed in the test fixture see clause 6 4 Th
19. positioning system is subsequently lost or fails The locating device shall maintain as best it can proper timing internally if UTC lock is lost If a position fix is lost the locating device shall continue to transmit with the last known good position see clause B 3 5 2 2 2 Test mode A single test message burst see clause B 2 shall be transmitted as soon as a position fix SOG COG and time are available The device shall transmit when UTC lock is available so that SOTDMA is properly synchronized even if the UTC parameters are invalid or out of date If UTC lock is not available after five minutes the device shall abandon the test mode without transmitting If the UTC parameters are invalid or out of data the test shall be extended until valid UTC parameters have been downloaded although no further transmission shall be attempted Activation of the test facility shall reset automatically after transmission of the burst 5 2 3 GNSS position source The GNSS compliant receiver shall meet the following requirements of EN 61108 series GPS 4 GLONASS 5 or Galileo 6 position accuracy acquisition re acquisition receiver sensitivity RF dynamic range position update effects of specific interference signals but with a minimum update rate of once per minute provide a resolution of one ten thousandth of a minute of arc and uses the WGS 84 datum NOTE Galileo uses Galileo Terrestrial Reference Frame System GTRF datum which is a realiz
20. range The following losses shall be included at a temperature of 20 C 5 C a self testing monthly with GNSS data available b self discharge of the battery c stand by loads The expiry date of the battery shall be the battery installation date plus no more than half the useful life of the battery The battery shall have a minimum useful life of at least two years The installation date shall be no more than one year from the date of manufacture of the battery The battery shall be clearly and durably marked with its date of manufacture The locating device shall be clearly marked with the expiry date of the battery ETSI 13 ETSI EN 303 098 1 V1 2 1 2014 09 4 7 2 Battery capacity The battery after having met the requirements of clause 4 7 1 shall have sufficient remaining capacity to power an activated locating device and keep it transmitting for at least 12 hours at a temperature of 20 C 3 C 4 7 3 Safety precautions Provisions shall be made for protecting the equipment from damage due to the accidental reversal of polarity of the battery 5 Technical requirements 5 1 General When activated the locating device shall be capable of transmitting messages that indicate the position of a person in the water The transmitted messages shall be compatible with existing AIS installations The transmitted messages shall be recognized and displayed by AIS receivers in the reception range of the transmitter and clear
21. see clause B 1 for details 5 2 1 2 Test mode For Message the Navigational status shall be set to 15 For message 14 the safety related text shall be set to MOB TEST see clause B 2 for details 5 2 2 Synchronization In UTC direct mode the locating device determines slot timing using the UTC timing signal from the GNSS The TDMA timing error shall be less than 312 Us The position of the locating device shall be determined at least every minute once a GNSS position fix has been obtained 5 2 2 1 Active mode The locating device shall start transmitting as soon as a position fix SOG COG and UTC lock are available or 60 seconds after activation if not Optionally the locating device may also transmit unsynchronized using default settings see clause B 3 for details within a period from 10 to 30 seconds after activation This initial transmission is intended to inform the local vessel that an MOB incident has occurred and allow the position of the vessel to be recorded at that time NOTE Inthe present document the terms UTC lock and position fix are used independently It is however recognized that in practice it is unlikely that a position fix can be obtained without UTC lock and vice versa The locating device shall begin synchronized transmission with the correct GNSS position within 5 minutes under normal operating conditions The locating device shall continue transmission even if the position and UTC lock from the
22. shall be examined visually 7 1 3 Requirements The test shall not cause the equipment to activate or operate spuriously There shall be no undue deterioration or corrosion of the metal parts finishes material or component parts visible to the naked eye In the case of hermetically sealed equipment there shall be no evidence of moisture penetration ETSI 25 ETSI EN 303 098 1 V1 2 1 2014 09 7 8 Thermal shock test 7 8 1 Definition The immunity against the effects of thermal shock is the ability of the equipment to maintain the specified mechanical and electrical performance after the following test has been carried out 7 8 2 Method of measurement The equipment shall be operational but not armed before testing see clause 4 2 The equipment shall be placed in an atmosphere of 70 C 3 C for 1 hour It shall then be immersed in water at 25 C 3 C to a depth of 10 cm measured from the highest point of the equipment to the surface of the water for a period of 1 hour 7 8 3 Requirements The test shall not cause the equipment to activate or operate spuriously The requirement for the performance check clause 7 3 shall also be met No damage shall be visible to the naked eye and the equipment shall not show any sign of significant external damage or harmful penetration of water 7 9 Buoyancy test 7 9 1 Definition Buoyancy expressed as a percentage is its buoyant force divided by its gravity force 7 9 2
23. sueislcandaseecsectcaueaacesuesaceege caesesuestechcascveesduestzetecdes 33 8 6 2 Method of measurement 200 ceases cdeedencedlecevedene sa tenecedeseseutch tea deesoesdecucareesuvesseaccececceedoenscdedeceevessestvetteaes 33 8 6 3 ET 34 8 7 TISS STET 34 8 7 1 DA NN 34 8 7 2 Method AM a ibas 34 8 7 3 A TON 35 8 8 Spurious EMISOR EE 36 8 8 1 1525 Te 36 8 8 2 VENOM A EE SESS 36 8 8 3 A cha rie Sol ahh E EE Ee TN 36 9 VDE Emklayer tests inci EEN REENEN 36 9 1 INS TTT 36 9 1 1 Method of Measurement lt x 2205563 ee ee AEN EEN Ee ENEE ENEE Ee en 36 9 1 2 Initialization period Required results 37 9 1 3 Message content of Message 1 Required results 37 9 1 4 Message content of Message 14 Required results 37 9 1 5 Transmission schedule for Message 1 Required results 37 9 1 6 Communication state of Message 1 Required result 38 9 1 7 Transmission schedule of Message 14 Required results 38 9 1 8 Transmission with lost GNSS Required results 38 9 2 Test mode tests with GNSS data available 39 9 2 1 Method of measurement lt cscssccccot A 39 9 2 2 Required THT ci ia 39 9 3 Test mode tests without GNSS data available 39 9 3 1 Method dns 39 9 3 2 Required RT ee id tee erte gece 39 Annex A normative Radiated measurements cccccccccscssscsscccccccssscssessccccccscsssssessccsccsscssssccsccecees 40 A 1 Test sites and general arrangements for measurements involving the use of radiated fields 40 ETS
24. temperature battery endurance test 7 5 5 1 Method of measurement Using a fresh battery the equipment shall be activated at the ambient temperature for a period of time as stated by the manufacturer to be equivalent to the loss of battery capacity due to selftesting stand by loads as well as battery self discharge during the useful life of the battery as defined in clause 4 7 1 Alternatively the manufacturer may precondition a fresh battery by another means to achieve the same level of discharge as defined in clause 4 7 1 the method shall be recorded in the test report The equipment shall then be placed in a chamber at normal room temperature Then the temperature shall be reduced to and maintained at 20 C 3 C for a period of 10 h to 16 h Any climatic control device provided in the equipment may be switched on at the conclusion of this period The equipment shall be activated and the transmissions of the equipment during the test shall be verified for a period of 12 h The temperature of the chamber shall be maintained as specified above for the whole of the period of 12 h At the end of the test the EUT shall be returned to normal environmental conditions 7 5 5 2 Requirements The equipment shall remain activated and transmitting for a minimum of 12 hours Following the test the requirement for the performance check clause 7 3 shall also be met 7 6 Vibration test 7 6 1 Definition The immunity against the effects of vi
25. the EUT has operated in sync mode 0 UTC direct b The EUT transmits one burst of messages once per minute c The duration of a burst is 14 s d A burst consists of 8 messages e The transmissions in a burst are alternating between AIS1 and AIST f Consecutive messages are 75 slots apart and on the other channel ETSI 2 h i 1 9 1 6 38 ETSI EN 303 098 1 V1 2 1 2014 09 The same set of slots is used in each burst for 8 minutes A new set of slots is randomly selected after 8 minutes The first slot of the new set of slots is within the interval of 1 minute 6 seconds from the first slot of the previous set of slots that is the increment is randomly selected in the range 2 025 to 2 475 slots The manufacturer is to provide documentation on how the increment is selected randomly Communication state of Message 1 Required results For position reports transmitted after 5 minutes and before 40 minutes the following applies a b c d e f g h i 9 1 7 The SOTDMA communication state as defined for message 1 is used The sync state 0 The time out starts with 7 for all messages of the first burst after a change in slots The time out value is decremented by 1 for each frame The time out value is reset to 7 after time out 0 The sub message for time out 3 5 7 number of received stations 0 The sub message for time out 2 4 6 slot number The sub message for time out 1 UTC hour and
26. AARTE EENS ech 22 Damp heat test ts eege EENEG Ee 22 UNEN AAA sy EE E Es 22 Requirements NT 22 ENANA AN 22 Method of measurement EE 22 Requirements ao 22 Low temperature battery endurance est 23 Me thod of Meas r ment anenee ia 23 R gttemeptg de EE EE E en Ee EE dads 23 MIDPALION di e O 23 DEIA a a thse dt sashes dateawinte neces vibes Dbenteacbbeeedeneeseteeis 23 Method of MEX MEMtyi cols cocbelete ons da seaueoedatdbontasensndenecbivns copomeundegendeduensndvanencdbonceets 23 Kouert o o 24 COPPOSIOMIESE ceesecse cee ee co EE EE Eege 24 Re te EE 24 Method of me as rement sspe EES E Ede deta INR Adr EE OER a R a iora 24 LE EE 24 MS teSt s dscscosudecctucsttescesapesdavecaevsaesteuyeeguneedasede sngeesvasondvadent cecsubeustesansegavecheneee ON 25 NO ON 25 Method of measurement ein A aire deed tan iones 25 UT coin da 25 BUOYANCY TOS det Ai dd 25 PS O 25 Method of measurement sanoen iaa deed san n a E 25 UT i AN e EEE ETE EE E EO EET 25 C mpasssafedist nce EEN 26 DISSET ee EE 26 MEN O TO 26 Regutrementg R Sivessdetpcesdees ia ici tado coartada AE datos tc iii 26 Garant LEE eet seas coer ceca au gege Ee ENEE EE Neser eh 27 Re Lee lid 27 Method of measurement o ise NEE eege A E A teases soevas cass eetows Dania 27 a ORI 27 ETSI 5 ETSI EN 303 098 1 V1 2 1 2014 09 7 12 Oil r sistanc testeri des E aa Sa wa en vee Gage ve a ak Haha T Ss eae aa aa TTT 27 7 12 1 DA dadas 27 7 12 2 Method of measurement nere te see
27. E REEE ITEE IEE EEST onssa t 18 6 5 4 Reference timing slenal cintia allioli 18 6 6 Measurement uncertainty and interpretation of the measured results sss sese sese ee eee 18 ETSI 6 6 1 6 6 2 6 7 6 7 1 6 7 2 6 8 6 8 1 6 8 2 6 9 6 9 1 6 9 1 1 6 9 2 6 9 2 1 6 9 2 2 7 5 4 2 7 5 5 2 7 10 1 7 10 2 7 10 3 7 11 7 11 1 7 11 2 7 11 3 4 ETSI EN 303 098 1 V1 2 1 2014 09 Measurement Ucero data 18 Interpretation of the measurement results 19 Test conditions power sources and ambient temperatures occ nocn neon neon nono corn ncnnnns 19 Normal and extreme test copndttons nono nn nono nc nn nn nnn nc cnn nnnnnn cnn nr oran cnnnnronnncnns 19 Test power ROTH Re AG AT aed hs Rie 19 Normal test eomditong omo a ENEE EEN dra esos 19 Normal temperature and humidity ss sese esse esse ee eee 19 Normal test volta rr 19 Extreme test condition S in ape deet deed 19 Extreme temperatures ii te 19 Procedure for tests at extreme temperatures ccoo non nnnn ono non nro ne cn nccn acia ncnss 20 Extreme Test VOltages ciao casitas dd eiii 20 Upper extremetest Volta fee eech hots seeses a sites Eddie Ee EENEG 20 Lower extreme test Voltage cir ita E ie 20 Environmental td A A EE 20 rise e te 20 Procede ec ii ie 20 IN are E 20 Drop testi aio tibio pcb ea as a 20 Re te 20 Ra le EE 21 Method of measurement A O 21 A A EE CES REESEN Ee EE 21 Temperature E 21 Re Ta EE 21 Dry Neat E 21 Method of AAA ss E E E 21 Requirements Seet
28. ETSI EN 303 098 1 V1 2 1 2014 09 EUROPEAN STANDARD Electromagnetic compatibility and Radio spectrum Matters ERM Maritime low power personal locating devices employing AIS Part 1 Technical characteristics and methods of measurement 2 ETSI EN 303 098 1 V1 2 1 2014 09 Reference DEN ERM TG26 100 1 Keywords maritime radio SAR testing ETSI 650 Route des Lucioles F 06921 Sophia Antipolis Cedex FRANCE Tel 33 4 92 94 4200 Fax 33 4 93 65 47 16 Siret N 348 623 562 00017 NAF 742 C Association a but non lucratif enregistr e a la Sous Pr fecture de Grasse 06 N 7803 88 Important notice The present document can be downloaded from http www etsi org The present document may be made available in electronic versions and or in print The content of any electronic and or print versions of the present document shall not be modified without the prior written authorization of ETSI In case of any existing or perceived difference in contents between such versions and or in print the only prevailing document is the print of the Portable Document Format PDF version kept on a specific network drive within ETSI Secretariat Users of the present document should be aware that the document may be subject to revision or change of status Information on the current status of this and other ETSI documents is available at http portal etsi org tb status status asp If you find errors in the present documen
29. February 2014 Vote V 20140422 2014 02 21 to 2014 04 22 v1 2 1 July 2014 Vote V 20140831 2014 07 02 to 2014 09 01 ETSI
30. I 6 ETSI EN 303 098 1 V1 2 1 2014 09 A 1 1 Anechoic COM A tes 40 A 1 2 Anechoic chamber with a ground plane sss sees eee eee 41 A 1 3 OATS si ONO 42 A 1 4 Test AMA A reia 43 A 1 5 KTS Ugen 43 A 1 6 Measuring atom ate DEER RE A Rp eG aR ls ee oe 44 A 2 Guidance on the use of radiation test sites sees eee 44 A 2 1 Verification OF thetestSl tan rte anibal 44 A 2 2 Prepatation of the BUT 00 iin e E R N RE E E ER ee NS 44 A 2 3 Power supplies to the BOT spuere rotsen insta desse Ter ETE EEE ep EE TRD r EESE EE as ima pEr ES ETER dee 44 A 2 4 Volume control setting for analogue speech tests 44 A 2 5 Range O om sarees 45 A 2 6 Site preparatom tot ri tai 45 L WR eer ET EE 46 A 3 1 VE 46 A3 2 IR CRU 46 A4 Standard DOERNER Ee Eed 46 A 4 1 Artificial human support vii ia 46 A 4 2 Float free SUP POL buin EEN E E D eg Ee EE dee DCH 47 Annex B normative Locating device message DUIts ccccssscssssccssssccsssccsssscsssscssscssssssssssacees 48 Bal ACUVE Lere td E eect cand ees nev eats ee ean O e T 48 BZ lt 10 a ti 49 B3 Default message Held Values certiora eves cncdescchacdeebacdsuceesectabenscegtoevsedcsuabsaleeabesbscabunsgedagetese ones babteasestsne 50 Annex C informative A O 51 SM ter ET 52 ETSI 7 ETSI EN 303 098 1 V1 2 1 2014 09 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI The information pertaining to these essential IPRs if
31. Method of measurement The equipment shall be operational but disarmed before testing see clause 4 2 For Category 1 equipment the locating device shall be submerged in calm fresh water For Category 2 equipment the locating device and its buoyancy device shall be submerged in calm fresh water One of the following methods of measurement shall be used the buoyant force shall be measured when the locating device is totally submerged in fresh water The buoyant force shall be then divided by the measured gravity force The result shall be recorded or the buoyancy may be calculated by dividing the volume of the unit above the waterline by the total volume of the locating device The result shall be recorded 7 9 3 Requirements The test shall not cause the equipment to activate or operate spuriously The value of buoyancy shall be at least 5 ETSI 26 ETSI EN 303 098 1 V1 2 1 2014 09 7 10 Compass safe distance test 7 10 1 Definition The compass safe distance is the closest distance to compasses or compass sensors flux gate magnetometer at which the locating device is safe to be stored The compass safe distance D is defined as the distance between the nearest point of the locating device and the centre of the compass or magnetometer at which it will just produce a deviation in the measurement compass or compass sensor of X H where X is 5 47 for the standard compass and 18 for the steering compass the standb
32. S data and is transmitting in active mode iii The locating device is undergoing test and is transmitting in test mode iv The locating device has completed a test or has been de activated 4 4 Identifier user ID The locating device shall have an identifier to distinguish it from other AIS devices The User ID for a personal search and rescue locating device is 972xxyyyy where xx manufacturer ID 01 to 99 yyyy the sequence number 0000 to 9999 Manufacturers IDs are issued by CIRM Manufacturers shall only use manufacturer IDs that have been issued to them by CIRM except for testing purposes where the ID xx 00 can be used see clause 6 3 After being programmed by the manufacturer it shall not be possible for the user to change the identifier of the locating device The user ID shall be held in non volatile memory ETSI 12 ETSI EN 303 098 1 V1 2 1 2014 09 4 5 Labelling The equipment shall be provided with a label or labels permanently affixed to the exterior of the equipment containing the information described hereunder 4 5 1 Labelling Requirements user ID of the equipment see clause 4 4 and manufacturer serial number type designation of the equipment with prefix AIS MOB adequate instructions to enable the equipment to be activated and de activated the type of battery as specified by the manufacturer of the locating device a warning to not block the GNSS antenna the compass safe distance as me
33. UT by raising and lowering the receiving antenna on the mast to obtain the maximum constructive interference of the direct and reflected signals from the EUT and then rotating the turntable for a peak in the azimuth plane At this height of the test antenna on the mast the amplitude of the received signal is noted Secondly the EUT is replaced by a substitution antenna positioned at the EUT s phase or volume centre which is connected to a signal generator The signal is again peaked and the signal generator output adjusted until the level noted in stage one is again measured on the receiving device Receiver sensitivity tests over a ground plane also involve peaking the field strength by raising and lowering the test antenna on the mast to obtain the maximum constructive interference of the direct and reflected signals this time using a measuring antenna which has been positioned where the phase or volume centre of the EUT will be during testing A transform factor is derived The test antenna remains at the same height for stage two during which the measuring antenna is replaced by the EUT The amplitude of the transmitted signal is reduced to determine the field strength level at which a specified response is obtained from the EUT A 1 3 OATS An OATS comprises a turntable at one end and an antenna mast of variable height at the other end above a ground plane which in the ideal case is perfectly conducting and of infinite extent In pract
34. activated for a period of 6 hours After this period the battery voltage shall be measured This voltage shall be taken as the lower extreme test voltage and shall be measured before disconnecting the battery 7 Environmental tests 7 1 Introduction The requirements of this clause demonstrate that the equipment is capable of continuous operation under the conditions of various sea states vibration humidity and change of temperature likely to be experienced on a ship in which it is carried 7 2 Procedure Environmental tests shall be carried out before tests in respect of the other requirements in the present document are performed on the same EUT Environmental tests may be carried out in any order but the test specified in clause 7 13 shall always be carried out last so as to detect any damage to EUT s water seals caused by the other environmental tests 7 3 Performance check The term performance check as used in the present document shall be that of activating the locating device in test mode with GNSS data available and checking the reception of Message 1 and Message 14 using a suitable AIS receiver The performance check shall be carried out only under normal test conditions as detailed in clause 6 8 1 unless otherwise stated 7 4 Drop test 7 4 1 Definition The immunity against the effects of dropping is the ability of the equipment to maintain the specified mechanical and electrical performance after being subjected to a series of
35. age When the test site is used for the measurement of receiver characteristics 1 e sensitivity and various immunity parameters the antenna is used as the transmitting device The test antenna should be mounted on a support capable of allowing the antenna to be used in either horizontal or vertical polarization which on ground plane sites 1 e anechoic chambers with ground planes and OATS should additionally allow the height of its centre above the ground to be varied over the specified range usually 1 m to 4 m In the frequency band 30 MHz to 1 000 MHz dipole antennas constructed in accordance with ANSI C63 5 1 2 are generally recommended For frequencies of 80 MHz and above the dipoles should have their arm lengths set for resonance at the frequency of test Below 80 MHz shortened arm lengths are recommended For spurious emission testing however a combination of bicones and log periodic dipole array antennas commonly termed log periodics could be used to cover the entire 30 MHz to 1 000 MHz band Above 1 000 MHz waveguide horns are recommended although again log periodics could be used NOTE The gain of a horn antenna is generally expressed relative to an isotropic radiator A 1 5 Substitution antenna The substitution antenna is used to replace the EUT for tests in which a transmitting parameter i e frequency error effective radiated power spurious emissions and adjacent channel power is being measured For measurement
36. ane capable of rotation through 360 in azimuth As shown in figure A 3 the rotating ground plane B shall have a minimum diameter of 1 354 250 cm and be made of highly conductive material aluminium or copper It shall be located at a reference height X 1 00 0 10 m above the test site ground plane A The equipment shall be mounted within the rotating ground plane B to a level such that its float line is aligned with the ground plane B and the antenna of the equipment orientated as normally deployed This ground plane shall be extended to fit closely around the equipment and to surround the below waterline portion of the unit e g using metal foil An adapter plate which has a close fit to the equipment is recommended 1to4m Receiving antenna Lp 3m U T adaptor plate Rotating ground plane B Zeat float ne Ji support balast 10 1 m support table turntable ground plane A Figure A 5 Float free test support NOTE This support is not suitable for making measurements in a fully anechoic chamber using the method of clause A 1 1 ETSI 48 ETSI EN 303 098 1 V1 2 1 2014 09 Annex B normative Locating device message bursts B 1 Active mode In active mode the locating device transmits messages in a burst of 8 messages once per minute The SOTDMA communication state of Message 1 is used to pre announce its future transmissions The locating device shall transmit Message Position report with the Navi
37. asured in clause 7 10 a warning to the effect that the locating device should not be operated except in an emergency the date on which the battery will need to be replaced Simple means shall be provided for changing this date when the battery is replaced The battery replacement date marked on the locating device should be the date specified in clause 4 7 1 4 56 Instructions Necessary operating instructions shall be provided with the equipment These should include the following warnings WARNING An AIS MOB Man overboard device is only intended for short range signalling to an AIS receiver installed onboard your own vessel It will not directly alert the emergency services or other vessels WARNING This equipment is not intended for routine tracking of persons or property This includes tracking of divers WARNING If self test is performed more frequently than once a month then battery life may be reduced 4 7 Power source 4 7 1 Battery requirements The type of battery and designation specified by the manufacturer for use in the equipment shall be clearly and indelibly marked on the equipment The manufacturer should establish a useful life and an expiry date for primary non rechargeable batteries The useful life is the period of time after the date of battery manufacture that the battery will continue to meet the input power requirements of the locating device over the entire specified operating temperature
38. asurement uncertainty figures shall be calculated in accordance with TR 100 028 2 and shall correspond to an expansion factor coverage factor k 1 96 or k 2 which provide confidence levels of respectively 95 and 95 45 in the case where the distributions characterizing the actual measurement uncertainties are normal Gaussian Table 5 is based on such expansion factors 6 7 Test conditions power sources and ambient temperatures 6 7 1 Normal and extreme test conditions Conformity testing shall be carried out under normal test conditions clause 6 8 and also where stated under extreme test conditions clauses 6 9 1 and 6 9 2 applied simultaneously 6 7 2 Test power source Where stated the battery of the equipment shall be replaced by a test power source capable of producing normal clause 6 8 2 and extreme test voltages as specified in clauses 6 9 2 1 and 6 9 2 2 6 8 Normal test conditions 6 8 1 Normal temperature and humidity Normal temperature and humidity conditions for tests shall be any convenient combination of temperature and humidity within the following ranges Temperature 15 C to 35 C Relative humidity 20 to 75 6 8 2 Normal test voltage The normal test voltage shall be determined in each case and shall be the voltage corresponding to the voltage that a fresh battery gives at normal temperature and humidity at a load equal to that of the equipment when activated 6 9 Extreme test condi
39. ated for AIS2 Fe 0 oO a ki F KI 2 a E 40 pa o h D D 62 5 20 10 0 10 20 62 5 Frequency Offset KHz Figure 4 Transmitter spectrum mask The mask is set as follows For 10 kHz the limit is O dBc From 10 kHz to 20 kHz the limit decreases linearly from 20 dBc to 40 dBc From 20 kHz to 62 5 kHz the limit is 40 dBc 843 Limit The normalized emission profile shall not exceed the mask of figure 4 8 5 Transmitter transient behaviour output power 8 5 1 Definition The transient behaviour output power of the transmitter is determined by the time dependency of the transmitter power when the transmitter output power is switched on and off Within the scope of the present document only the transmit power as a function of time is tested as shown in figure 5 and defined in table 8 where a transmitter delay time TA TO is the time between the start of the slot and the moment when the transmit power may exceed 50 dB of the steady state power Pgg b transmitter attack time TB2 TA is the time between the transmit power exceeding 50 dBc and the moment when the transmit power maintains a level within 1 5 dB 1 dB from Pgg c transmitter release time TF TE is the time between the end flag being transmitted and the moment when the transmitter output power has reduced to a level 50 dB below Pgg and remains below this level thereafter d transmission duration TF TA is the
40. ation of the International Terrestrial Reference Frame ITRF system and differs from WGS 84 by less than 5 cm worldwide GLONASS uses the Parametry Zemli 1990 PZ 90 datum As of September 17 2007 the PZ 90 datum has been updated to differ from WGS 84 by less than 40 cm worldwide ETSI 15 ETSI EN 303 098 1 V1 2 1 2014 09 The manufacturer shall provide evidence that an internal GNSS device cold start is forced at every AIS MOB activation cold start refers to the absence of time dependent or position dependent data in memory which might affect the acquisition of the GNSS position 5 2 3 1 UTC All AIS equipment uses UTC for synchronizing transmissions The version of UTC transmitted by both GPS and Galileo is not perturbed by leap seconds so that GPS time as of January 2013 is ahead of UTC by 16 seconds The version of UTC transmitted by GLONASS does apply leap seconds and remains synchronized to UTC albeit offset by 3 hours Both GPS and Galileo transmit the timing offset that is applied by the GNSS receiver when computing UTC AIS SOTDMA relies on the correct and timely computation of UTC to determine slot timings accurately Since the AIS slot structure repeats every two seconds the incorrect application of a leap second when determining UTC will result in AIS transmissions beginning in the middle of a time slot rather than at the beginning of the time slot Care shall be taken when designing with multi system GNSS receivers that UTC is co
41. ation to allow the user to fit or attach the locating device to a buoyancy aid 4 2 Controls The equipment shall be initially activated by the use of two simple but independent mechanical actions neither of which on its own shall activate the equipment The second mechanical action may be replaced by an immersion sensor Where the second action is replaced by an immersion sensor then the first action shall be an arm function thus to ensure the device 1s armed for automatic activation when submerged It shall only be possible to activate the equipment after a seal or other mechanical restraint has been removed from the first mechanical action For devices without an arm function it shall not be possible to reattach a removed seal or restrain After activation 1t shall be simple to de activate the equipment and the means to deactivate the equipment shall be clearly marked The switch that operates any test facility clause 4 1 shall be so designed that it returns automatically to the off position when released 4 3 Indicators The equipment shall be provided with a visual and or audible indication that signals are being emitted The indicator shall be sufficiently bright to be seen in bright sunlight Except when operating in test mode the indicator shall not be green in colour The indicator shall clearly distinguish the following states i The locating device has been activated and is waiting for GNSS data ii The locating device has GNS
42. bration is the ability of the equipment to maintain the specified mechanical and electrical performance when the following test is carried out 7 6 2 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 The equipment complete with any detachable shock absorbers that are normally part of it e g a life vest shall be clamped to the vibration table by its normal means of support and in its normal attitude The equipment may be suspended to compensate for weight not capable of being withstood by the vibration table Provisions may be made to reduce or nullify any adverse effect on the equipment performance which may be caused by the presence of any electro magnetic fields from the vibration table Taking at least 15 minutes to cover each octave of frequency the equipment shall be subjected to sinusoidal vertical vibration at all frequencies between 2 Hz or 5 Hz up to 13 2 Hz with an excursion of 1 mm 10 13 2 Hz up to 100 Hz with a constant maximum acceleration of 7 m s s A resonance search shall be carried out during the vibration test If any resonance of the EUT has Q greater than 5 measured relative to the base of the vibration table the EUT shall be subjected to a vibration endurance test at each resonant frequency at the vibration level specified in the test with a duration of 2 h If no resonance with Q greater than 5 occurs the endurance test shall be carried out at one single o
43. bserved frequency If no resonance occurs the endurance test shall be carried out at a frequency of 30 Hz The test shall be repeated with vibration in each of the mutual perpendicular direction in the horizontal plane A performance check shall be carried out at least once during each endurance test period and once before the end of each endurance test period ETSI 24 ETSI EN 303 098 1 V1 2 1 2014 09 7 6 3 Requirement The test shall not cause the equipment to activate or operate spuriously The requirement for the performance check clause 7 3 shall also be met No damage or mechanical deterioration shall be visible to the naked eye The EUT if tested with a vibration absorber e g a life jacket shall not become detached 7 7 Corrosion test 7 7 1 Definition The immunity against the effects of corrosion is the ability of the equipment to maintain the specified mechanical and electrical performance both during and after the following test has been carried out 7 7 2 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 The equipment shall be placed in a chamber fitted with apparatus capable of spraying in the form of fine mist such as would be produced by a spray gun salt solution to the formula in table 6 Table 6 Salt solution formula 265 g 10 magnesium chloride 25 g onse L 33 g 0 it gi 10 8 0 gq 10 028 g 10 otassium
44. ceed 2Ady d2 A where d is the largest dimension of the EUT dipole after substitution m e d is the largest dimension of the test antenna m Ais the test frequency wavelength m It should be noted that in the substitution part of this measurement where both test and substitution antennas are half wavelength dipoles this minimum range length for far field testing would be 2 It should be noted in the test report when either of these conditions is not met so that the additional measurement uncertainty can be incorporated into the results NOTE 1 For the fully anechoic chamber no part of the volume of the EUT should at any angle of rotation of the turntable fall outside the quiet zone of the chamber at the nominal frequency of the test NOTE 2 The quiet zone is a volume within the anechoic chamber without a ground plane in which a specified performance has either been proven by test or is guaranteed by the designer manufacture The specified performance is usually the reflectivity of the absorbing panels or a directly related parameter e g signal uniformity in amplitude and phase It should be noted however that the defining levels of the quiet zone tend to vary NOTE 3 For the anechoic chamber with a ground plane a full height scanning capability i e 1 m to 4 m should be available for which no part of the test antenna should come within 1 m of the absorbing panels For both types of anechoic chamber
45. chloride 020 0 28 plus distilled water to make the solution up to 1 o Nm o magnesium chloride Alternatively a 5 sodium chloride NaCl solution may be used The salt used for the test shall be high quality sodium chloride NaCl containing when dry not more than 0 1 sodium iodide and not more than 0 3 of total impurities Salt solution concentration shall be 5 1 by weight The solution shall be prepared by dissolving 5 parts 1 by weight of salt in 95 parts by weight of distilled or de mineralized water The pH value of the solution shall be between 6 5 and 7 2 at temperature of 20 C 2 C The pH value shall be maintained within this range during conditioning For this purpose diluted hydrochloric acid or sodium hydroxide may be used to adjust the pH value provided that the concentration of NaCl remains within the prescribed limits The pH value shall be measured when preparing each new batch of solution The spraying apparatus shall be such that the products of corrosion cannot mix with the salt solution contained within the spray reservoir The equipment shall be sprayed simultaneously on all its external surfaces with the salt solution for a period of 1 hour This spraying shall be carried out 4 times with a storage period of 7 days at 40 C 2 C after each spraying The relative humidity during storage shall be maintained between 90 and 95 At the end of the total period the equipment
46. e 9 Peak frequency deviation versus time Measurement period from O a RO Bit O to bit 1 lt 3 400 Hz 2 400 Hz 480 Hz Po 2400Hz 480Hz_ Saas 2 400 Hz 2 400 Hz 2 400 Hz 2 400 Hz 240 Hz 480 Hz 240 Hz 480 Hz 1 740 Hz 1740 Hz 2 400 Hz 2 400 Hz Bit 32 to bit 199 175 Hz 350 Hz 240 Hz 480 Hz 8 7 Synchronization accuracy 8 7 1 Definition The synchronization accuracy defines the allowable time deviation including additive jitter in the transmission of an AIS message from ideal SOTDMA timing The synchronization accuracy test verifies i hat the EUT transmission will be properly synchronized once UTC lock is acquired 11 that following UTC lock the EUT will continue properly synchronized transmission if UTC lock is subsequently lost This test requires analysis of the transmissions of the EUT in active mode Care shall be taken to ensure that transmissions are not received by a nearby AIS receiver such as a coastal shore station 8 7 2 Method of measurement The EUT shall be programmed with valid UTC parameters as described in the user documentation or shall be precondition so as to have downloaded valid UTC parameters before the start of the test The measurement is made under normal and extreme conditions see clauses 6 8 and 6 9 for frequency AIS1 and repeated for AIS2 The transmitter shall be connected to an artificial antenna see clause 6 4 The EUT s GNSS receiver shall be connected to a GNSS simulator simulat
47. e A 4 The method of measurement described in clause 8 3 shall be used to search for spurious emissions in the frequency band 30 MHz to 2 GHz excluding the frequency band tested in clause 8 4 The measuring receiver shall have a bandwidth of 100 kHz to 120 kHz The measurement shall only be performed under normal test conditions see clause 6 8 the locating device being rotated until the maximum emission is detected The measurement is also made when the locating device has been activated but is not transmitting 8 8 3 Limit The power of any spurious emission component when transmitting shall not exceed 25 uW between 108 MHz to 137 MHz 156 MHz to 161 5 MHz and 1 525 MHz to 1 610 MHz The power of any spurious emission component when not transmitting even when activated shall not exceed 2 nW between 30 MHz and 1 GHz and 20 nW between 1 GHz and 2 GHz 9 VDL Link layer tests 9 1 Active mode tests These tests require analysis of the transmissions of the EUT in active mode Care shall be taken to ensure that transmissions are not received by a nearby AIS receiver such as a coastal shore station 9 1 1 Method of measurement Activate the EUT in active mode and record transmissions for 40 minutes Inhibit GNSS data and record transmissions for a further 20 minutes Record the activation time of the EUT For all transmitted messages record H transmission time UTC H transmission slot in slot timing H transmission channe
48. e measurement shall be made using the test power source see clause 6 7 2 under both normal and extreme test conditions The carrier frequency shall be measured in the absence of modulation The test shall be performed on AIST and AIST ETSI 29 ETSI EN 303 098 1 V1 2 1 2014 09 8 1 3 Limit The frequency error under normal conditions shall not exceed 500 Hz and under extreme test conditions shall not exceed 1 kHz 8 2 Conducted Power The purpose of this test is to verify that the output power from the locating device is within limits at extreme operating temperatures Note that the conducted power delivered to an artificial antenna is likely to be greater than the measured ERP clause 8 3 due to absorption by the salty man support see clause A 4 8 2 1 Definition This is the average or mean power delivered to the artificial antenna see clause 6 4 in the absence of modulation 8 2 2 Method of measurement under normal test conditions The transmitter shall be connected to an artificial antenna see clause 6 4 and the average or mean power delivered to this artificial antenna shall be measured under normal conditions see clause 6 8 and at the extremes of temperature see clause 6 9 1 A measurement for frequency AIS1 shall be made and repeated for AIS2 The mean power under normal conditions Pyorm Shall be measured The mean power under extreme conditions D un and P 55 shall be measured The differences between the nor
49. eference to the first slot of the burst The increment between transmission slots within a burst shall be 75 slots and the transmissions shall alternate between channels AIS1 and AIS2 5 2 6 1 Active mode In active mode see figure 2 the locating device shall set a slot time out 7 in the Communication state of all Message 1 transmissions in the first burst and thereafter the slot time out shall be decreased according to the rules of SOTDMA in Recommendation ITU R M 1371 5 1 Since the locating device does not have an AIS receiver all slots shall be regarded as candidates in the selection process When time out occurs the offset to the next set of 8 bursts is randomly selected at 1 minute 6 s ETSI 17 ETSI EN 303 098 1 V1 2 1 2014 09 burst 1 burst 2 burst 8 burst 1 ae III II III III wee EH II II vu K 6S lt random lt m random Slot0 Tp To 1 min To 7 min To 8 min gt time Figure 2 Burst transmissions in active mode All slot time out values of the Communication state of all Message transmissions within every burst shall be the same Two Message 14 shall be transmitted every Ah minute one on each channel starting in the first minute i e slot time out 7 and 3 and shall be the 5 h and 6t message in the burst see clause B 1 Message 14 shall be transmitted alternately on AIST and AIS2 5 2 6 2 Test mode In test mode the locating device shall set a slot time out 0 and sub message 0
50. end of this period the EUT shall be subjected to the performance check ETSI 22 ETSI EN 303 098 1 V1 2 1 2014 09 The temperature shall then be maintained at 55 C 3 C for a period of 10 hours to 16 hours At the end of this period the EUT shall again be subjected to the performance check The temperature of the chamber shall be maintained at 55 C 3 C during the whole of the performance check periods At the end of the test the EUT shall be returned to normal environmental conditions or to those at the start of the next test 7 5 2 2 Requirements The test shall not cause the equipment to activate or operate spuriously The requirement for the performance check clause 7 3 shall also be met 7 5 3 Damp heat test 7 5 3 1 Method of measurement The EUT shall be placed in a chamber at normal room temperature and relative humidity The temperature shall then be raised to 40 C 2 C and the relative humidity raised to 93 3 over a period of 3 hours 0 5 hours These conditions shall be maintained for a period of 10 hours to 16 hours The EUT shall be switched on 30 minutes later or after such period as agreed with the manufacturer and shall be kept operational for at least 2 hours during which period the EUT shall be subjected to the performance check The temperature and relative humidity of the chamber shall be maintained as specified during the whole test period At the end of the test period and with the
51. erformance standards methods of testing and required test results 6 CENELEC EN 61108 3 2010 Maritime navigation and radiocommunication equipment and systems Global navigation satellite systems GNSS Part 3 Galileo receiver equipment Performance requirements methods of testing and required test results 7 Recommendation ITU T 0 153 10 1992 Basic parameters for the measurement of error performance at bit rates below the primary rate 8 IMO ANNEX 11 RESOLUTION MSC 149 77 adopted on 3 June 2003 Adoption of the revised performance standards for survival craft portable two way VHF radiotelephone apparatus ETSI 9 ETSI EN 303 098 1 V1 2 1 2014 09 2 2 Informative references The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area 1 1 ETSI TR 102 273 Parts 2 3 and 4 V1 2 1 Electromagnetic compatibility and Radio spectrum Matters ERM Improvement on Radiated Methods of Measurement using test site and evaluation of the corresponding measurement uncertainties 1 2 ANSI C63 5 2006 American National Standard for Calibration of Antennas Used for Radiated Emission Measurements in Electro Magnetic Interference 1 3 ITU R Radio Regulations 2012 3 Definitions symbols and abbreviations 3 1 Definitions For the purposes of the present document the following terms and definitions
52. es in the correct order and correctly populated as per clause B 2 c User ID as configured in the EUT d Navigational status 15 not defined e SOG actual SOG from GNSS receiver f Position accuracy according to the RAIM result if provided otherwise 0 g Position actual position from internal GNSS receiver h COG actual COG from internal GNSS receiver i Time stamp actual UTC second 0 59 j The communication state time out always 0 with sub message 0 k The transmission of Messages 1 and 14 stops after one burst of 8 messages 1 The text message in Message 14 is MOB TEST m Verify correct indication as per manufacturer s documentation 9 3 Test mode tests without GNSS data available These tests require analysis of the transmissions of the EUT in test mode 9 3 1 Method of measurement Activate the EUT in test mode with no GNSS data available and record transmissions 9 3 2 Required results The following is required a The EUT does not transmit within 5 minutes ETSI 40 ETSI EN 303 098 1 V1 2 1 2014 09 Annex A normative Radiated measurements Ai Test sites and general arrangements for measurements involving the use of radiated fields This normative annex introduces three most commonly available test sites an anechoic chamber an anechoic chamber with a ground plane and an Open Area Test Site OATS which may be used for radiated tests These test sites are generally referred to as free f
53. f integral antenna equipment if the equipment does not have an internal permanent 50 2 connector then it is permitted to supply a second sample of the equipment with a temporary 50 Q antenna cable and connector fitted to facilitate testing 6 5 Test signals The manufacturer shall supply with the submitted samples a method for producing the following test transmission signals In addition for some tests is shall be possible to operate the samples in a continuous unmodulated transmission CW mode NOTE Transmitters may have limitations concerning their maximum continuous transmit time and or their transmission duty cycle It is intended that such limitations are respected during testing 6 5 1 Standard test signal number 1 A series of reversals 010101 transmitted as all the bits within an AIS message frame including header start flag end flag and CRC NRZI is not applied to the reversals or CRC Cyclic Redundancy Check i e unaltered On Air data The RF should be ramped up and down on either end of the AIS message frame 6 5 2 Standard test signal number 2 A series of 00001111 repeated as the data within an AIS message frame including header start flag end flag and CRC NRZI is not applied to the data or CRC The RF should be ramped up and down on either end of the AIS message frame 6 5 3 Standard test signal number 3 A 511 bit pseudo random sequence as specified in Recommendation ITU T O 153 7 shall be used as the data wi
54. gational Status set to 14 and Message 14 broadcast safety related message with the text MOB ACTIVE Message 14 shall be transmitted nominally every 4 minutes and replace one of the position reports on both channels The locating device transmissions shall alternate between AIS1 and AIST The 1 and 5 burst shall be as follows H AIS1 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 H AIS1 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 AIS1 Message 14 MOB ACTIVE AIS2 Message 14 MOB ACTIVE H AIS1 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 H AIS2 Message 1 Nav Status 14 comm state time out 7 3 sub message 0 The 21d 4th 6th burst shall be as follows H AIS1 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS2 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS1 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS2 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS1 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS2 Message 1 Nav Status 14 comm state time out 6 4 2 sub message slot H AIS1 Message 1 Nav Status 14 comm state time out 6 4
55. ice whilst good conductivity can be achieved the ground plane size has to be limited A typical OATS is shown in figure A 3 Dipole antennas Antenna mast Range length 3 m or 10 Turntable Ground plane Figure A 3 A typical OATS The ground plane creates a wanted reflection path such that the signal received by the receiving antenna is the sum of the signals received from the direct and reflected transmission paths The phasing of these two signals creates a unique received level for each height of the transmitting antenna or EUT and the receiving antenna above the ground plane Site qualification concerning antenna positions turntable measurement distance and other arrangements are same as for anechoic chamber with a ground plane In radiated measurements an OATS is also used by the same way as anechoic chamber with a ground plane ETSI 43 ETSI EN 303 098 1 V1 2 1 2014 09 Typical measuring arrangement common for ground plane test sites is presented in figure A A Turntable Figure A 4 Measuring arrangement on ground plane test site OATS set up for spurious emission testing A 1 4 Test antenna A test antenna is always used in radiated test methods In emission tests 1 e frequency error effective radiated power spurious emissions and adjacent channel power the test antenna is used to detect the field from the EUT in one stage of the measurement and from the substitution antenna in the other st
56. ield test sites Both absolute and relative measurements can be performed in these sites Where absolute measurements are to be carried out the chamber should be verified A detailed verification procedure is described in TR 102 273 relevant parts 2 3 and 4 1 1 NOTE To ensure reproducibility and traceability of radiated measurements only these test sites should be used in test measurements A 1 1 Anechoic chamber An anechoic chamber is an enclosure usually shielded whose internal walls floor and ceiling are covered with radio absorbing material normally of the pyramidal urethane foam type The chamber usually contains an antenna support at one end and a turntable at the other A typical anechoic chamber is shown in figure A 1 Turntable Test antenna Radio absorbing material Figure A 1 A typical anechoic chamber The chamber shielding and radio absorbing material work together to provide a controlled environment for testing purposes This type of test chamber attempts to simulate free space conditions ETSI 41 ETSI EN 303 098 1 V1 2 1 2014 09 The shielding provides a test space with reduced levels of interference from ambient signals and other outside effects whilst the radio absorbing material minimizes unwanted reflections from the walls and ceiling which can influence the measurements In practice it is relatively easy for shielding to provide high levels 80 dB to 140 dB of ambient in
57. in the Communication state of all Message 1 transmissions in the first and only burst All slot time out values of the Communication state of all Message transmissions within every burst shall be the same Two Message 14 shall be transmitted one on each channel and shall be the 1 and ST message in the burst see clause B 2 6 General conditions of measurement 6 1 Conformity testing For the purpose of conformity testing clauses 6 2 to 6 5 shall apply 6 2 Test Frequencies Where radiated measurements are not performed in an anechoic chamber alternative channels other than the default channels for AISI and AIS2 may be used during testing to avoid interference with live maritime systems Where alternative channels are used the alternative channels used shall be of the same separation 50 KHz apart and within 1 of 162 MHz 6 3 Identifier user ID The manufacturer ID xx 00 is reserved for testing purposes The identifier used during testing to the present document shall be in the format 97200yyyy 6 4 Artificial Antenna Where applicable tests shall be carried out using an artificial antenna which shall be a substantially non reactive non radiating load connected to the antenna connector The Voltage Standing Wave Ratio VSWR at the 50 Q connector or the provider s specified test fixture shall not be greater than 1 5 1 over the frequency range of the measurement ETSI 18 ETSI EN 303 098 1 V1 2 1 2014 09 In the case o
58. ing more than 3 satellites and that additionally provides a UTC output and a 1 pps reference output with an accuracy of 1 us or better figure 7 ETSI 35 ETSI EN 303 098 1 V1 2 1 2014 09 GNSS 1PPS reference Simulator GNSS RF timing measurement unit artifical antenna transmitter under test Figure 7 Measurement arrangement for synchronization accuracy 1 Activate the EUT in active mode with GNSS signal enabled and record transmissions for 40 minutes After 40 minutes inhibit the GNSS signal and continue to record transmissions for a further 20 minutes 2 Operate the test facility on the EUT with GNSS signal enabled and record transmissions for 6 minutes 3 Operate the test facility on the EUT with GNSS signal inhibited and record transmissions for 6 minutes Whenever a transmission is recorded the associated timing difference between the EUT generated Tg see clause 6 5 4 edge and the GNSS simulator generated 1 pps reference shall also be recorded The EUT may pick any one of 75 slots in any two second period The legitimate timings for both even and odd seconds are given in table 10 Table 10 Legitimate TO Timings us in any second Even Odd Even Odd Even Odd Even Odd 213 333 200000 480000 466667 746667 733333 240 000 226667 506667 493333 773333 760000 266 667 253333 533333 520000 800000 786667 The
59. l message content The records will be evaluated in the following test items ETSI 37 ETSI EN 303 098 1 V1 2 1 2014 09 9 1 2 Initialization period Required results The following is required a The first message is transmitted within 60 seconds after activation b The first message with a valid position is transmitted within 5 minutes 9 13 Message content of Message 1 Required results For position reports transmitted after 5 minutes and before 40 minutes the following is required a Message ID 1 b Repeat indicator 0 c User ID as configured in the EUT d Navigational status 14 e Rate of turn default f SOG actual SOG from GNSS receiver g Position accuracy according to the RAIM result if provided otherwise 0 h Position actual position from internal GNSS receiver i Position is updated at least once per minute for each burst j COG actual COG from internal GNSS receiver k True heading default 1 Time stamp actual UTC second 0 59 m Verify correct indication according to manufacturer s documentation 9 1 4 Message content of Message 14 Required results The following is required a Message ID 14 b Repeat indicator 0 c Source ID as configured in the EUT d Text MOB ACTIVE 9 1 5 Transmission schedule for Message 1 Required results For position reports transmitted after 15 minutes and before 40 minutes the following applies a Verify that
60. lation Bandwidth adapted GMSK ETSI 16 ETSI EN 303 098 1 V1 2 1 2014 09 Table 3 Modulation parameters of the physical layer Symbol Name Vawe PH TXBT Transmit BT product PH MI Modulation index 5 2 5 Minimum transmitter performance characteristics The technical characteristics as specified in table 4 shall apply to the transmitter Table 4 Minimum required transmitter characteristics Transmitter parameters nominal radiated power 600 mW ERP 3 dB Carrier frequency error 500 Hz normal 1 000 Hz extreme Slotted modulation mask 20 dBc Afc gt 10 kHz 40 dBc 25 kHz lt Afc lt 62 5 kHz see figure 4 in clause 8 4 Transmitter test sequence and lt 3 400 Hz for Bit 0 1 normal and extreme modulation 2 400 Hz 480 Hz for Bit 2 3 normal and extreme Accuracy 2 400 Hz 240 Hz for Bit 4 31 normal 2 400 480 Hz For Bits Bit 32 199 1 740 175 Hz normal 1 740 350 Hz extreme for a bit pattern of 0101 2 400 Hz 240 Hz normal 2 400 350 Hz extreme for a bit pattern of 00001111 table 8 in clause 8 5 161 5 MHz and 1 525 MHz to 1 610 MHz 5 2 6 VHF Data Link VDL Access The locating device shall use modified SOTDMA for the transmission of message bursts annex B The locating device shall determine its own schedule for transmission of its messages based on random selection of the first slot of the first burst The other 7 slots within the first burst shall be fixed with r
61. licting National Standard dow 30 June 2016 Modal verbs terminology In the present document shall shall not should should not may may not need need not will will not can and cannot are to be interpreted as described in clause 3 2 of the ETSI Drafting Rules Verbal forms for the expression of provisions must and must not are NOT allowed in ETSI deliverables except when used in direct citation ETSI 8 ETSI EN 303 098 1 V1 2 1 2014 09 1 Scope The present document lays down the minimum requirements for low power maritime personal locating devices employing AIS and an integrated GNSS receiver to provide the locating function The present document incorporates the relevant provisions of the International Telecommunication Union ITU radio regulations 1 3 included in Recommendation ITU R M 1371 5 1 For this application both the radiated power and the length of time of operation are limited to enable the equipment to be sufficiently small and light to be worn comfortably at all times and to limit the operating range to a local area 2 References References are either specific identified by date of publication and or edition number or version number or non specific For specific references only the cited version applies For non specific references the latest version of the reference document including any amendments applies Referenced documents which are not found to be publicly a
62. ly distinguish the transmitter as a personal Man Over Board MOB locating device AIS TDMA Synchronization shall be UTC direct the locating device does not require an AIS receiver AIS MOB Personal Locating device l l I I I I Activator 1 I Controller 7 l l Activator 2 a d S AIS Tx I l Test 8 gt i l I 1 Se l I Timing and I 1 Sync l l Device l Battery I I I I Figure 1 Functional block diagram of personal locating device 5 2 AIS transmission characteristics The AIS Tx transmits using modified SOTDMA on two channels AIST and AIS2 The GNSS receiver e g a GPS receiver determines the current position of the locating device and facilitates TDMA synchronization in the UTC direct mode The locating device shall shutdown automatically if under a fault condition the transmitter remains permanently keyed for more than 2 seconds This shutdown shall be independent of the operating software 5 2 1 AIS messages The locating device shall broadcast Message 1 and Message 14 as defined in Recommendation ITU R M 1371 5 1 The content of the messages differs for active transmissions active mode and test transmissions test mode The combination of these messages in burst sequences is detailed in annex B ETSI 14 ETSI EN 303 098 1 V1 2 1 2014 09 5 2 1 1 Active mode For Message 1 the Navigational status shall be set to 14 For message 14 the safety related text shall be set to MOB ACTIVE
63. mal and extreme conditions shall be determined Parmi PNorm H an and Bam PNorm Pass 8 2 3 Limit The difference between the conducted power under extreme conditions and the conducted power under normal conditions shall be less than 3 dB for both AIST and AIST 8 3 Maximum Effective Radiated Power ERP 8 3 1 Definition The Effective Radiated Power ERP is the power radiated in the direction of the maximum field strength under the specified conditions of measurements 8 3 2 Method of measurement The measurement is made under normal conditions see clause 6 8 for frequency AIS1 and repeated for AIS2 On a test site selected from annex A the equipment shall be placed on the support and according to the requirements of clause A 4 The transmitter shall be switched on to transmit continuously without modulation The receiver shall be tuned to the transmitter carrier frequency The test antenna shall be orientated for vertical polarization The test antenna shall be raised or lowered through the specified range of heights until a maximum signal level is detected on the measuring receiver The transmitter shall be rotated through 360 around a vertical axis in order to find the direction of the maximum signal ETSI 30 ETSI EN 303 098 1 V1 2 1 2014 09 The maximum signal level detected by the measuring receiver shall be recorded For equipment tested using the support described in clause A 4 2 only the level detected at 90
64. mitter spectrum mask defines the limits within the range fc 75 kHz for the peak power of all modulated signals including all side bands associated with the carrier 8 4 2 Method of measurement The transmitter shall be connected to an artificial antenna see clause 6 4 with a means of measuring the power delivered to the load The equipment shall be operated from the test power source clause 6 7 2 Standard test signal number 3 see clause 6 5 3 shall be used to modulate the transmitter in repeated packets The measurement shall be made under normal test conditions To determine the reference peak power and measure the emissions in the adjacent channels the emission is suitably applied to the input of a spectrum analyser with the following preferred settings H Resolution bandwidth 1 kHz H Video bandwidth 3 kHz H Scan bandwidth 150 kHz Centre frequency Carrier frequency AIS1 and AIS2 Detector type Peak hold A sufficient number of sweeps shall be used and sufficient transmission packets measured to ensure that the emission profile is fully developed A reference carrier power shall be calculated as being the maximum power within the frequency limits set in clause 8 1 3 The emission profile shall then be normalized so that the reference carrier power 1s set to O dBc The result is compared to the mask given in figure 4 ETSI 31 ETSI EN 303 098 1 V1 2 1 2014 09 A measurement for frequency AIS1 shall be made and repe
65. monitored with a digital voltmeter but the battery should remain present electrically isolated from the rest of the equipment possibly by putting tape over its contacts The presence of these power cables can however affect the measured performance of the EUT For this reason they should be made to be transparent as far as the testing is concerned This can be achieved by routing them away from the EUT and down to either the screen ground plane or facility wall as appropriate by the shortest possible paths Precautions should be taken to minimize pick up on these leads e g the leads could be twisted together loaded with ferrite beads at 0 15 m spacing or otherwise loaded Details shall be included in the test report A 2 4 Volume control setting for analogue speech tests Unless otherwise stated in all receiver measurements for analogue speech the receiver volume control where possible should be adjusted to give at least 50 of the rated audio output power In the case of stepped volume controls to volume control should be set to the first step that provides an output power of at least 50 of the rated audio output power This control should not be readjusted between normal and extreme test conditions in tests ETSI 45 ETSI EN 303 098 1 V1 2 1 2014 09 A 2 5 Range length The range length for all these types of test facility should be adequate to allow for testing in the far field of the EUT i e it should be equal to or ex
66. n Union Radiocommunication sector ITU T International Telecommunication Union Telecommunication sector MOB Man Over Board NRZI Non Return to Zero Inverted OATS Open Area Test Site PPS Pulses Per Second PZ 90 Parametry Zemli 1990 RAIM Receiver Autonomous Integrity Monitoring RF Radio Frequency SOG Speed Over Ground SOTDMA Self Organized Time Division Multiple Access TDMA Time Division Multiple Access UTC Coordinated Universal Time VDL VHF Data Link VHF Very High Frequency VSWR Voltage Standing Wave Ratio WGS 84 World Geodetic System 1984 4 General requirements 4 1 Construction The manufacturer shall provide evidence that all requirements in clause 4 are fulfilled In all respects the mechanical and electrical design and the construction and finish of the equipment shall conform with good engineering practice The equipment shall be designed to minimize the risk of internal and external damage during use or stowage The exterior of the equipment shall have no sharp edges or projections that could easily damage inflatable rafts or injure personnel The general construction and method of operation shall provide a high degree of proof against inadvertent operation due to magnetic influences handling stowage and transit whilst still providing a simple means of operation in an emergency The equipment shall be portable lightweight compact and be designed as one integral unit The locating device shall derive its energ
67. oss and VSWR throughout the entire frequency range of the tests All VSWR and insertion loss figures should be recorded in the log book results sheet for the specific test Where correction factors tables are required these should be immediately available ETSI 46 ETSI EN 303 098 1 V1 2 1 2014 09 For all items of test equipment the maximum errors they exhibit should be known along with the distribution of the error e g H cable loss 0 5 dB with a rectangular distribution measuring receiver 1 0 dB standard deviation signal level accuracy with a Gaussian error distribution At the start of measurements system checks should be made on the items of test equipment used on the test site A 3 Coupling of signals A 3 1 General The presence of leads in the radiated field may cause a disturbance of that field and lead to additional measurement uncertainty These disturbances can be minimized by using suitable coupling methods offering signal isolation and minimum field disturbance e g optical and acoustic coupling A 3 2 Data signals Isolation can be provided by the use of optical ultra sonic or infra red means Field disturbance can be minimized by using a suitable fibre optic connection Ultra sonic or infra red radiated connections require suitable measures for the minimization of ambient noise AA Standard position The standard position in all test sites for equipment which is intended to be worn on a person is given
68. pected visually for signs of damage Inspection for mechanical damage both internal and external shall be carried out Any damage shall not impair the operation of the equipment In particular parts like knobs switches and the antenna shall operate in the normal manner For devices without a water immersion sensor the act of dropping shall not cause the equipment to activate For devices with a water immersion sensor the act of dropping onto the wooden test surface shall not cause the equipment to activate whereas drops into water shall always cause the equipment to activate The requirement for the performance check clause 7 3 shall also be met 7 5 Temperature tests 7 5 1 Definition The immunity against the effects of temperature is the ability of the equipment to maintain the specified mechanical and electrical performance after the following tests have been carried out The maximum rate of raising or reducing the temperature of the chamber in which the equipment is being tested shall be 1 C minute 7 5 2 Dry heat test 7 5 2 1 Method of measurement The equipment shall be placed in a chamber at normal temperature The temperature shall then be raised to and maintained at 70 C 43 C for a period of at least 10 hours After this period any climatic control device provided in the equipment may be switched on and the chamber cooled to 55 C 3 C The cooling of the chamber shall be completed within 30 minutes At the
69. rrectly determined across satellite systems Since the equipment is required to do a GNSS cold start and to transmit its first valid position within 5 minutes of activation for GPS and Galileo GNSS receivers the equipment may maintain a stored copy of the UTC parameters leap second information 5 2 3 2 UTC parameters storage Where manufacturers do provide a mechanism whereby the stored copy of the UTC parameters that is leap second offset and predictions can be kept up to date then the GNSS cold start shall not make use of any stored information other than valid leap second information 5 2 4 Required settings The locating device shall operate on dual channels AIS1 and AIS2 in the VHF Maritime Mobile Service band Tables 1 2 and 3 are derived from Recommendation ITU R M 1371 5 1 and give the parameters required for an AIS locating device Table 1 Required parameter settings PH TST Transmitter settling time Transmit power within 20 of final value Frequency stable to within 1 0 kHz of final value Tested at manufacturers declared transmit power po Rampdowntime fransmissionduration_______________________ lt po Transmitteroutputpower____ _ _ ________________ 600mMWERP NOTE 600 mW ERP 1W EIRP Table 2 Required settings of physical layer constants Symbol PH DE _ Data encoding NRZI PH FEC Forward error correction __ Not used PH IL Interleaving Not used PH BS Bit scrambling Not used PH MOD Modu
70. s in the frequency band 30 MHz to 1 000 MHz the substitution antenna should be a dipole antenna constructed in accordance with ANSI C63 5 i 2 For frequencies of 80 MHz and above the dipoles should have their arm lengths set for resonance at the frequency of test Below 80 MHz shortened arm lengths are recommended For measurements above 1 000 MHz a waveguide horn is recommended The centre of this antenna should coincide with either the phase centre or volume centre as specified in the test method of the EUT it has replaced ETSI 44 ETSI EN 303 098 1 V1 2 1 2014 09 A 1 6 Measuring antenna The measuring antenna is used in tests on an EUT in which a receiving parameter i e sensitivity and various immunity tests is being measured Its purpose is to enable a measurement of the electric filed strength in the vicinity of the EUT For measurements in the frequency band 30 MHz to 1 000 MHz the measuring antenna should be a dipole antenna constructed in accordance with ANSI C63 5 1 2 For frequencies of 80 MHz and above the dipoles should have their arm lengths set for resonance at the frequency of test Below 80 MHz shortened arm lengths are recommended The centre of this antenna should coincide with either the phase centre or volume centre as specified in the test method of the EUT A 2 Guidance on the use of radiation test sites This clause details procedures test equipment arrangements and verification that should be carried o
71. t please send your comment to one of the following services http portal etsi org chaircor ETSI_support asp Copyright Notification No part may be reproduced or utilized in any form or by any means electronic or mechanical including photocopying and microfilm except as authorized by written permission of ETSI The content of the PDF version shall not be modified without the written authorization of ETSI The copyright and the foregoing restriction extend to reproduction in all media European Telecommunications Standards Institute 2014 All rights reserved DECT PLUGTESTS UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members 3GPP and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners GSMO and the GSM logo are Trade Marks registered and owned by the GSM Association ETSI 3 ETSI EN 303 098 1 V1 2 1 2014 09 Contents Intellectual Property Rights iia AA a cie 7 lee H Modal Verbs terminology egent ger aia H 1 O RE 8 2 References srta EE EES ee AE 8 2l Normative reference Sk enrarir a E E EE 7 T ERa rons E TEA SETT ETTE TRER T Zs 8 2 2 Informative EE 9 3 Definitions symbols and abbreviations sss esse eee eee eee eee 9 3 1 PETITIONS sis i sues wh ce tec enced oak shew pa EE 9 3 2 T ST lo li 9 3 3 EE DEE 9 4 General require Mentir Ii da 10 4 1 CONSTITUCION A AA ape 10 4 1 1 Categoriescof EqUIPMEN List 11 4 2 Control
72. terference rejection normally making ambient interference negligible A turntable is capable of rotation through 360 in the horizontal plane and it is used to support the test sample EUT at a suitable height e g 1 m above the ground plane The chamber shall be large enough to allow the measuring distance of at least 3 m or 2 d A m whichever is greater see clause A 2 5 The distance used in actual measurements shall be recorded with the test results The anechoic chamber generally has several advantages over other test facilities There is minimal ambient interference minimal floor ceiling and wall reflections and it is independent of the weather It does however have some disadvantages which include limited measuring distance and limited lower frequency usage due to the size of the pyramidal absorbers To improve low frequency performance a combination structure of ferrite tiles and urethane foam absorbers is commonly used All types of emission sensitivity and immunity testing can be carried out within an anechoic chamber without limitation A 1 2 Anechoic chamber with a ground plane An anechoic chamber with a ground plane is an enclosure usually shielded whose internal walls and ceiling are covered with radio absorbing material normally of the pyramidal urethane foam type The floor which is metallic is not covered and forms the ground plane The chamber usually contains an antenna mast at one end and a turntable at the o
73. the reflectivity of the absorbing panels should not be worse than 5 dB NOTE 4 For both the anechoic chamber with a ground plane and the OATS no part of any antenna should come within 0 25 m of the ground plane at any time throughout the tests Where any of these conditions cannot be met measurements should not be carried out A 2 6 Site preparation The cables for both ends of the test site should be routed horizontally away from the testing area for a minimum of 2 m unless in the case both types of anechoic chamber a back wall is reached and then allowed to drop vertically and out through either the ground plane or screen as appropriate to the test equipment Precautions should be taken to minimize pick up on these leads e g dressing with ferrite beads or other loading The cables their routing and dressing should be identical to the verification set up NOTE For ground reflection test sites i e anechoic chambers with ground planes and OATS which incorporate a cable drum with the antenna mast the 2 m requirement may be impossible to comply with Calibration data for all items of test equipment should be available and valid For test substitution and measuring antennas the data should include gain relative to an isotropic radiator or antenna factor for the frequency of test Also the VSWR of the substitution and measuring antennas should be known The calibration data on all cables and attenuators should include insertion l
74. ther A typical anechoic chamber with a ground plane is shown in figure A 2 This type of test chamber attempts to simulate an ideal OATS whose primary characteristic is a perfectly conducting ground plane of infinite extent Antenna mast Test S antenna v Radio absorbing 1 material Figure A 2 A typical anechoic chamber with a ground plane In this facility the ground plane creates the wanted reflection path such that the signal received by the receiving antenna is the sum of the signals from both the direct and reflected transmission paths This creates a unique received signal level for each height of the transmitting antenna or EUT and the receiving antenna above the ground plane ETSI 42 ETSI EN 303 098 1 V1 2 1 2014 09 The antenna mast provides a variable height facility from 1 m to 4 m so that the position of the test antenna can be optimized for maximum coupled signal between antennas or between an EUT and the test antenna A turntable is capable of rotation through 360 in the horizontal plane and it is used to support the test sample EUT at a specified height usually 1 5 m above the ground plane The chamber shall be large enough to allow the measuring distance of at least 3 m or 2 d yA m whichever is greater see clause A 2 5 The distance used in actual measurements shall be recorded with the test results Emission testing involves firstly peaking the field strength from the E
75. thin an AIS message frame with header start flag end flag and CRC NRZI is not applied to the pseudo random sequence or CRC The RF should be ramped up and down on either end of the AIS message frame 6 5 4 Reference timing signal For the timing tests in clauses 8 5 8 6 and 8 7 the manufacturer shall supply a sample that produces an edge trigger timing signal corresponding to T in figure 5 of clause 8 5 6 6 Measurement uncertainty and interpretation of the measured results 6 6 1 Measurement uncertainty Absolute measurement uncertainties maximum values are specified in table 5 Table 5 Absolute measurement uncertainties maximum values Parameter Maximum uncertainty RF frequency 1x107 Radiated emission of transmitter below 1 GHz ETSI 19 ETSI EN 303 098 1 V1 2 1 2014 09 6 6 2 Interpretation of the measurement results The interpretation of the results recorded in a test report for the measurements described in the present document shall be as follows the measured value related to the corresponding limit will be used to decide whether an equipment meets the requirements of the present document the value of the measurement uncertainty for the measurement of each parameter shall be included in the test report the recorded value of the measurement uncertainty shall be for each measurement equal to or lower than the figures in table 5 For the test methods according to the present document the me
76. time from when power exceeds 50 dBc to when the power returns to and stays below 50 dBc ETSI 32 ETSI EN 303 098 1 V1 2 1 2014 09 1 5 dB Pos A dB 3 dB 50 dB To Ta Tr ba Figure 5 Power versus time mask Table 8 Definitions of timings Reference Bit Periods Time Definition ms T Start of transmission slot Power shall NOT exceed 50 dB of 0 Pss before To Ta 0to6 0to0 625 Tas Point at which power exceeds 50 dB of Pss S lo Ta 6 0 625 Power shall be within 1 5 or 3 dB of Pgg B Tre 8 0 833 Power shall be within 1 5 or 1 dB of Psg i i it Power shall remain within 1 5 or 1 dB of Pgg during the SESCH period Tas Io TE see note Fl ing bit oa Tg g includes 1 stuffing bit includes 1 stuffing bit 25 104 Power shall be lt 50 dB of Pgg and stay below this 233 241 Te 2e 26 667 Start of next transmission time period NOTE There shall be no modulation of the RF after the termination of transmission TE until the power has reached zero and the next slot begins TG 8 5 2 Method of measurement The measurement is made under normal conditions see clause 6 7 for frequency AIST and repeated for AIS2 The transmitter shall be connected to an artificial antenna see clause 6 4 The measurement shall be carried out by transmitting test signal number 1 A spectrum analyser shall be used to make the measurements with the following preferred settings Resolution bandwidth 1 MHz
77. tions 6 9 1 Extreme temperatures For tests at extreme temperatures measurements shall be made in accordance with the procedure specified in clause 6 9 1 1 at the lower and upper temperatures of 20 C and 55 C respectively except when installed within other equipment subject to more stringent temperature requirements in which case the more stringent requirements shall apply ETSI 20 ETSI EN 303 098 1 V1 2 1 2014 09 6 9 1 1 Procedure for tests at extreme temperatures The equipment shall be switched off during the temperature stabilization period Before tests are carried out the equipment shall have obtained thermal balance in the test chamber and have been activated for a period of 5 minutes The location of the equipment under test in the climatic chamber shall not substantially influence the power output or the power consumption of the equipment under test 6 9 2 Extreme test voltages 6 9 2 1 Upper extreme test voltage The upper extreme test voltage shall be determined in each case and shall be the voltage corresponding to the voltage that a fresh battery gives at the upper extreme temperature with a load equal to that of the equipment when activated 6 9 2 2 Lower extreme test voltage The lower extreme test voltage shall be determined in each case The equipment fitted with a primary battery shall be placed in a climatic chamber and cooled to 20 C allowing a stabilization period of 2 hours The equipment shall then be
78. ut before any of the radiated test are undertaken These schemes are common to all types of test sites described in this annex A 2 1 Verification of the test site No test should be carried out on a test site which does not possess a valid certificate of verification Examples of verification procedures for the different types of test sites described in this annex i e anechoic chamber anechoic chamber with a ground plane and OATS are given in TR 102 273 parts 2 3 and 4 i 1 respectively A 2 2 Preparation of the EUT The manufacturer should supply information about the EUT covering the operating frequency polarization supply voltage s and the reference face Additional information specific to the type of EUT should include where relevant carrier power CSP whether different operating modes are available e g high and low power modes and if operation is continuous or is subject to a maximum test duty cycle e g 1 m on 4 m off Where necessary a mounting bracket of minimal size should be available for mounting the EUT on the turntable This bracket should be made from low conductivity low relative dielectric constant i e less than 1 5 material s such as expanded polystyrene balsawood etc A 2 3 Power supplies to the EUT All tests should be performed using power supplies wherever possible including tests on EUT designed for battery only use In all cases power leads should be connected to the EUT s supply terminals and
79. vailable in the expected location might be found at http docbox etsi org Reference NOTE While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity 2 1 Normative references The following referenced documents are necessary for the application of the present document 1 Recommendation ITU R M 1371 5 02 2014 Technical characteristics for an automatic identification system using time division multiple access in the VHF maritime mobile band 2 ETSI TR 100 028 all parts V1 4 1 Electromagnetic compatibility and Radio spectrum Matters ERM Uncertainties in the measurement of mobile radio equipment characteristics 3 ETSI TR 102 273 7 2001 Electromagnetic compatibility and Radio spectrum Matters ERM Improvement on Radiated Methods of Measurement using test site and evaluation of the corresponding measurement uncertainties Part 7 Artificial human beings 4 CENELEC EN 61108 1 2003 Maritime navigation and radiocommunication equipment and systems Global navigation satellite systems GNSS Part 1 Global positioning system GPS Receiver equipment Performance standards methods of testing and required test results 5 CENELEC EN 61108 2 1998 Maritime navigation and radiocommunication equipment and systems Global navigation satellite systems GNSS Part 2 Global navigation satellite system GLONASS Receiver equipment P
80. y from a battery forming a part of the equipment and incorporate a permanently attached antenna which may be either fixed length or extendible The locating device may be fitted with a test facility by which the functioning of the transmitter and battery can be easily tested without the use of any external equipment The equipment shall be capable of being used by an unskilled person The locating device shall be watertight to a depth of 1 m see clause 7 13 The equipment shall not be unduly affected by sea water or oil and shall be resistant to deterioration by prolonged exposure to sunlight A substantial part of the equipment shall be of highly visible yellow or orange colour to assist visual location ETSI 11 ETSI EN 303 098 1 V1 2 1 2014 09 4 1 1 Categories of equipment Two categories are defined Category 1 locating devices shall have sufficient positive buoyancy to float in fresh water Category 2 locating devices intended to be incorporated into or attached to a buoyancy aid are not required to float Category 1 locating devices that can float free may have a lanyard to attach them to a person or life vest Where a lanyard is employed it shall meet the requirements of IMO MSC 149 77 8 paragraph 2 3 11 The user manual or instructions shall include necessary information to allow the user to properly attach the locating device lanyard The user manual or instructions for Category 2 devices shall include necessary inform
81. y steering compass and the emergency compass H is the horizontal component of the magnetic flux density in uT of the earth s Geomagnetic field at the place of testing 7 10 2 Method of measurement Equipment that can be armed shall be armed before testing see clause 4 2 The equipment shall be tested in the position and attitude relative to the compass or compass sensor at which the error produced at the compass would be a maximum figure 3 North Deflection X97H EUT in the orientation that West Measurement compass or sensor s D min Figure 3 Compass safe distance test set up produces maximum deflection Steps should be taken to ensure the Geomagnetic field at the test site is uniform With the EUT removed from the test site the measurement compass or compass sensor is aligned with magnetic north so that the measured deflection is 0 The equipment to be tested EUT is then placed in the same plane and on an east west line passing through the centre of the measurement compass or compass sensor The measurement compass or compass sensor remains stationary and the EUT is moved along the line until the required deflection X H is observed At this position the EUT is re oriented until the deflection is maximized The EUT is then moved again along the east west line until the required deflection X H is again observed The distance D nin between the centre of the measurement compass or compass sensor and the

EN 303 098-1 - V1.2.1 - Electromagnetic compatibility and

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