Enigma Black Box viewer documentation
Contents
1. Marine Electronics Association notice to airmen negative temperature coefficient non type certified aircraft Page 13 OAT OM PIC QNH QNE RDAC RPM RTC RTOS SBAS SP STOL TAE TAS TC TCAS TTFF UTC VFR VMC VNE VOR VSI W amp B WAAS WYPT Stratomaster Enigma Black Box Viewer outside air temperature outer marker pilot in command Queens Nautical Height Atmospheric Pressure Q at Nautical Height 1013 25 Mb Altimeter Subscale Setting ISA remote data acquisition computer revolutions per minute real time clock real time operating system Satellite Based Augmentation System example WAAS and EGNOS sensor package short take off and landing track angle error true airspeed thermocouple traffic alert and collision avoidance system time to first fix Coordinated Universal Time visual flight rules visual meteorological conditions velocity never exceed VHF omnidirectional range vertical speed indicator weight and balance Wide Area Augmentation System waypoint Page 14 Stratomaster Enigma Black Box Viewer Sources of acronyms http acronyms thefreedictionary com http www gps tc faa gov glossary html http www faa gov airports_airtraffic airports resources acronyms Page 152. RFL1 RF 2_ PFD PFD PFD PFD PFD PFD PFD PFD PFD PFD PFD PFD PFD RDAC1 RDAC1 RD 3 MM dd yy hh mm ss feet mB m h mih ft m_jnone RPM V v A none degC RPM none nor 4 01 01 2000 00 49 20 75 3356 31 31 22 99 9 32768 113 10 8 0 0 14 4440 2043 5 01 01 2000 00 49 22 73 3356 34 34 0 0 32768 114 10 9 0 0 14 4402 2043 6 01 01 2000 00 49 24 73 3357 37 37 11 99 9 32768 114 10 9 0 0 14 4167 2043 7 01 01 2000 00 49 26 74 3356 40 40 22 99 9 32768 114 10 9 0 0 14 4317 2043 8 01 01 2000 00 49 28 71 3355 42 42 11 99 9 32768 11 2 10 7 0 0 14 4341 2043 9 01 01 2000 00 49 30 7T0 3356 44 44 0 0 32768 11 3 10 8 0 0 14 4504 2043 10 01 01 2000 00 49 32 68 3356 46 46 11 99 9 32768 11 3 10 9 0 0 14 4504 2043 11 01 01 2000 00 49 34 66 3355 47 47 0 0 32768 114 10 9 0 0 14 4427 2043 12 01 01 2000 00 49 36 67 3355 48 48 11 99 9 32768 11 3 10 8 0 0 14 4504 2043 13 01 01 2000 00 49 38 67 3355 50 50 11 99 9 32768 11 3 10 8 0 0 14 4491 2043 14 01 01 2000 00 49 40 66 3356 51 51 11 99 9 32768 11 4 10 9 0 0 14 4491 2043 15 01 01 2000 00 49 48 71 3356 43 43 22 99 9 32768 114 10 9 0 0 14 4112 2043 16 01 01 2000 00 49 50 70 3356 43 43 45 84 32768 114 109 0 0 14 4201 2043 17_ 01 01 2000 00 49 52 70 3355 44 44 22 99 9 32768 114 10 9 0 0 14 4212 2043 18 Figure 2 CSV file opened in OpenOffice org Calc Spreadsheet Page 5 Stratomaster Enigma Black Box Viewer KML Google Earth Files Keyhole Markup Lan
3. and heading reference system altitude angle of attack application programming interface attitude reference system airspeed indicator above sea level air traffic control course deviation indicator capacitor discharge ignition circular error probability center of gravity cylinder head temperature communications density altitude distance measuring equipment Ducati double CDI electronic flight instrument system European Geostationary Navigation Overlay Service exhaust gas temperature engine indication system engine pressure ratio estimated time of arrival estimated time of departure estimated time en route Page 12 FAA FE FF FIR FL FR FT GLS GMT GPS GTA HITS HSI HUD IFR ILS IMC IMU INS IOX ISA MAP MHA MIA MSA MSL NMEA NOTAM NTC NTCA Stratomaster Enigma Black Box Viewer Federal Aviation Administration fuel endurance fuel flow flight information region fuel level flight level fuel range flight time GPS ILS Greenwich Mean Time Global Positioning System ground track angle highway in the sky horizontal situation indicator head up display instrument flight rules instrument landing system Instrument meteorological conditions inertial measurement unit inertial navigation system Input Output Extender International Standard Atmosphere manifold pressure minimum holding altitude minimum IFR altitudes minimum safe altitude mean sea level National
4. data or accuracy is lost when extracting a REC file into multiple EFL files Once all of the data has been extracted from a REC file there is no real value in retaining the REC file Page 4 Stratomaster Enigma Black Box Viewer The default Enigma units that apply to REC files also apply to EFL files The units are fixed CSV Files The Comma Separated Value CSV file format is a very commonly found file format The files can typically be opened using spreadsheet software like Microsoft Office Excel or OpenOffice org Calc or scientific analysis tools like MathWorks Matlab or GNU Octave CSV files use one of three characters to separate the data fields 1 Comma delimited most common delimiter 2 Space delimited 3 Tab delimited The user can specify which delimiter character to be used One of the advantages of the EFL file over a CSV file is that the typical EFL is significantly smaller than the CSV file containing the same data However tools like Excel and Calc do not understand the Enigma log file recording format But EFL like REC files can be converted to CSV KML or other formats EnigmaCSV OpenOffice org Calc File Edit View Insert Format Tools Data Window Help Aa SshafPaso Axes 0 SNH Gy HOMMQA OS f dy Arial 10 BJU BAS AMISE D O Avy D5 x fo A ese haa hl RIA o 1 Date Time Alt Baro ASI TAS VSI GlideS RRPM mainV bckpV Amps AOA OAT ERPM
5. PM B Enigma_32 33 rec 5 Enigma_34 35 rec B Enigma_36 rec 2007 07 28 03 39 PM 2007 07 28 03 39 PM 2007 07 28 03 39 PM D Enigma_20070822_wayne rec 2007 07 28 03 39 PM 5 data rec 2007 08 27 11 46 AM NO aiias ANAT INA M A ANNE NRA 4 fil File name Enigma Files of type Enigma Recording File Enigma Recording File Figure 5 Can select EFL input format filter Important note the default file name extension filter type is the REC format Select the EFL filter to be able to select the desired EFL file File or Reformat EFL file Load Enigma Data Recording File Flights Found in Enigma Data File 2007 09 09 18 43 23 Duration 598 sec Source File Name Enigma _20070901 efl Number of Flights 596 Good Packets E 2007 03 09 18 43 23 ees ea 0009 03 18 53 21 Output File Format EFL Enigma Flight Looff EFL Enigma Flight Lo KML Google Earth CSV Comma Delimited Action Feedback Enigma Data File now Open Select Format and Flight s to Save then save Enigma Data File now Open Select Format and Flight s to Save then save CSV Tab Delimited 5 Page 8 Stratomaster Enigma Black Box Viewer Viewing Enigma Flight Log data Plotting EFL file data using Black Box Viewer Only data contained in an EFL file can be viewed using the Black Box series plotting tool See section 1 on how to generate an EFL file To view the content of an EFL file click the Plot Single Fl
6. Stratomaster Enigma Black Box Viewer Stratomaster Enigma Black Box Viewer 7 RSR Ee ee ee 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 RDAC1 TC1 RDAC1 TC2 RDAC1 TC3 RDAC1 TC4 Date Units P 10 28 2007 11 56 03 Channel 4 GISELE feces Prem 10 28 2007 12 27 49 Version date 30 October 2007 Version 0 0 6 1 Beta Page 1 Stratomaster Enigma Black Box Viewer Introduction About this guide This guide provides an overview of how to use the Stratomaster Enigma Black Box Viewer utility The Stratomaster instruments make use of a binary file type REC to record data during flights The file format was defined by MGL Avionics and the definition is available via the company website The size of the REC file on the SD memory card is fixed during project setup It acts as a circular storage buffer The Enigma Black Box Viewer performs 2 primary functions 1 Decodes and unpacks a Enigma Recording File into multiple files of the selected output type and 2 Displays Enigma Flight Log files which is one of the output types of the utility The Black Box Viewer application can also be used to convert an Enigma Flight Log file EFL into a different format ction Options Help Unpack REC File Decode Black Box file Plot Single Flight View EFL file Exit Enigma Black Box Viewer Figure 1 Main Menu Other Decoding Ut
7. be ask to specify where the Black Box Viewer should find the REC file The Enigma REC file can also be renamed once it is located on the PC Since the Enigma REC file is a fixed size binary file it is not a very efficient longterm PC storage format if for example the recording file only contains one or two flights It is recommended that the individual flights are extracted into the EFL format and the Enigma REC file are deleted from the PC Alternatively a compression tool like WinZip or other can be used to compress the renamed Enigma REC files for longterm storage Output file formats Supported Output File Types The utility currently supports 3 basic file output types 1 EFL Enigma Flight Log single flight MGL REC format file 2 KML Keyhole Markup Language Google Earth 3 CSV Comma Separated Value EFL Files The basic file used by MGL Avionics software is the Enigma Flight Log EFL file The Enigma Flight Log file is essentially an Enigma Recording REC file that contains the data from one flight unwrapped The encoding format is exactly the same as for the REC files This implies that other third party tools that operate on REC files can also be used to view and translate EFL files into other formats The advantage of the EFL file over REC files is that the data integrety has been validated and is significantly smaller in size for longterm use A REC file is fixed in length A EFL file only contains valid data No valid
8. d It is recommended that users upgrade their Enigma s firmware to the latest version available free of charge from the MGL Avionics website http Awww mglavionics co Za The process of recording data To ensure that data is being recorded to the Enigma REC file on the SD MMC Card check the follow 1 Ensure that the appropriate size recording file Enigma REC exists on the SD MMC Card 2 Ensure that the SD MMC Card is plugged into the unit and mounted The Enigma Disk Tool is a useful tool to check that the SD MMC card is mounted and that the Enigma REC file exists 3 Enable data recording and select the data structures to be recorded The Primary Flight Data altitude airspeed vertical speed etc do not need to be selected if recording is enable these parameters are automatically included 4 Ensure that the start and end of flights are being detected either manually or through automatic flight detect The process of capturing data is also simulated in the Enigma Simulator and Display Page 3 Stratomaster Enigma Black Box Viewer Designer The user can set the data recording up in the simulator and test the decoding Consult your Stratomaster instrument user manual for more information regarding the setup of on board data recording Decoding a REC file Once the Enigma REC file has been copied from the SD MMC Card onto a PC the flight data can be extracted decoded into the format of choice The user will
9. ecording REC or EFL file Load an REC file for decoding formatting or Load an EFL file to convert to another format The utility will list all of the flights that have been found in the recording file The user can then either save a single file or multiple files to the output format of choice Once the REC file has been decoded it can be deleted Saving files If the user selects only one file the utility will ask for a file name for the file to be saved The name that the user specifies will be the complete file name other than the extension If the user selects more than one file the utility will ask for the file name However this time the name will only be the base for the multiple files to be stored The utility will concatenate the date and time of each of the selected flights to the selected filename and save these files to the selected disk space To select all files to be saved a shortcut button exists Select All Flights Converting from EFL format to another format The process for converting an EFL file into another format is exactly the same as for an REC file that contains a single flight Once the EFL file is open there should one be one flight listed The user can now select the output format for example CSV or KML Page 7 Stratomaster Enigma Black Box Viewer Look in ib testdata_sandbox_to_delete BA Es ci Er Name Date modified 5 Enigma_Yahoo_corrupt rec 2006 12 21 12 49
10. guage KML is an XML based language for describing 3D geospatial data and the display of this data in application programs KML was developed for use with Google Earth which was originally named Keyhole The Google Earth utility can be download free of charge from http earth google com download earth html The Enigma Black Box Viewer utility can output GPS data into the KML format Viewing the flight profile using the Google Earth utility serves as a quick reminder when it is difficult to recollect the flight from other data channels Important note GPS data recording needs to be enabled on the Stratomaster unit to be able to create a KML file 2 8 g ak ea g A oe le VAS oogle Image 2007 DigitalGlobe Pointer 33 56 20 055 S 18250 1774 E elev 126m Streaming I II 100 f Figure 3 Flight path plotted using Google Earth 2007 Europa Technologies Data 2007 Tracks4Africa Eye alt 11 25 km Page 6 Stratomaster Enigma Black Box Viewer Loading a REC file The first step to decode a recording REC file is to load one Click the button that reads Load Enigma Data Recording File All other functions on the form will be disabled until a recording file that contains valid data has been loaded Flights Found in Enigma Data File Source File Name cket in File Latest Packet in File EFL Enigma Flight Log d Output File Format Figure 4 Load a r
11. ight button Then select the EFL file to be viewed Plot Enigma Flight Log File 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 PFD ASI PFD OAT RDAC1 TC3 Units Channel data mere 10 28 2007 11 56 03 Channels Ad en RS 10 28 2007 12 27 49 Figure 7 ASI OAT and CHT1 on the same chart Adding and removing data to from the chart The units for the horizontal bottom X axis of the chart is time in seconds since the start of the flight The time and date stamp of the first and last packet logged during the flight is displayed at the bottom of the chart Up to 12 channels of data can be displayed simultaneously on the chart The size of the window can be adjusted to the screen size available When the viewer is initialized channel 1 is automatically selected To add the first data channel selected the desired data using the mouse or up and down cursors The data will be added to the chart and the legend updated The units will be displayed in the Page 9 Stratomaster Enigma Black Box Viewer inactive drop down list Future versions will offer the user the option of converting to the desired units For now the units are fixed to the native units used by the Stratomaster instruments To add a second channel of data select data channel 2 from the leftmost drop down list Then select the data to be associated with channel 2 using the data drop down list To rem
12. ilities Craig Payne developed a utility called Enigma Log Dump to decode Enigma Recording REC and Enigma Flight Log EFL files into Comma Separated Value CSV files The full source code for the Enigma Log Dump utility is available Due to minor difference in how irregularities are handled users might find slight differences between the number of packets that the Enigma Log Dump tool and the Enigma Recording Decoding and Playback utility produces Page 2 Stratomaster Enigma Black Box Viewer The Enigma Log Dump utility is available from the MGL Avionics Stratomaster Users Group see Files section http groups yahoo com group stratomaster_users_ group Enigma Recording REC Files Recording File Overview During user setup of the Stratomaster instruments a blank recording file Engima REC is defined using the Enigma Simulator and Display Designer This file is copied onto the removable disk SD MMC Card The file has a constant size anywhere from 1 to 500 mega bytes Depending on how many channels are selected for storage this file can be used to store anything from 30 min to 1000 hours of data The Enigma REC file created using the Enigma Simulator and Display Designer application can typically be found in the directory C Program Files Enigma Tools Enigma SIM MMC Enigma REC Using Enigma firmware 1 0 0 8 and later a new recording file of either 10 or 50 MB can be created using only the Enigma hardware no PC require
13. ove data from the chart select the channel that you would like to remove Then select the None option from the data drop down list the last option You will see the legend being updated and the series removed from the chart Only data was recorded during the flight will be available for selection using the data drop down list If it is not available on the list it was not recorded Controlling Zoom and Pan To zoom in move the mouse pointer to the top left corner of the desired chart area left click and hold the left mouse and drag to bottom right and release the mouse button To zoom out restore the zoom to the full area left click and hold the left hand mouse button and move the mouse cursor towards the top left corner of the chart and release the mouse button To pan drag the chart around right click and hold the mouse right hand mouse button while moving the mouse The chart will be panned based on the mouse movement Release the mouse button once the desired panning has been achieved Page 10 Stratomaster Enigma Black Box Viewer Appendix A Enigma REC and EFL file format To be added Page 11 Stratomaster Enigma Black Box Viewer Appendix B List of Acronyms A C AC ADC AGL AHRS ALT AOA API ARS ASI ASL ATC CDI CEP CG CHT COM DA DME DCDI EFIS EGNOS EGT EIS EPR ETA ETD ETE aircraft alternating current analog to digital converter above ground level attitude
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