February 2006 Newsletter - Ham
Contents
1. Email reports EK CALL for PAPERS for the 40th Anniversary CSVHFS Conference The Central States VHF Society is soliciting papers presentations and Poster table top displays for the 40th Annual CSVHES Conference to be held in Bloomington Minnesota across from the Mall of America on 27 29 July 2006 Papers presentations and Posters on all aspects of weak signal VHF and above amateur radio are requested You do not need to attend the conference nor present your paper to have it published in the Proceedings Posters will be displayed during the two days of the Conference TOPICS OF INTEREST include but are not limited to ANTENNAS including Modeling Design Arrays and Control CONSTRUCTION OF EQUIPMENT such as Transmitters Receivers and Transverter RF AMPLIFIERS power amps including Single band and Multi band Vacuum Tube and solid state PRE_AMPLIFIERS ow noise PROPAGATION including Ducting Sporadic E and Meteor Scatter etc TEST EQUIPMENT including Homebrew using and making measurements REGULATORY TOPICS OPERATING including Contesting Roving and Dxpeditions EME DIGITAL SIGNAL PROCESSING DSP SOFTWARE DEFINED RADIO SDR DIGITAL MODES such as WSJT JT65 etc Generally topics not related to weak signal VHF such as FM Repeates and packet radio are not accepted for presentation or publication However there are always exceptions Please contact either the Technical Program Chairman Jon2. 24GHz power amplifiers Tech talk amplifier operation classes and what to use The SBMS meets at the American Legion Hall 1024 Main Street south of the 91 freeway in Corona CA at 1900 hours local time on the first Thursday of each month Check out the SBMS web site at http www ham radio com sbms Last meeting Welcome to new member Fred W6ILL of Torrance Doug KOJEY had a nice DVD Tech Talk on Sun Noise and how to measure it with good demonstrations Rich KG6JKL made the video with Dr Doug in the role of Mr Wizard Dennis WAO6NIA presented videos of the students of Will Rogers School in Lynwood LA being shown around the OVRO station and up on the dish Failures in the 1296 LO and the 10 GHz LO killed the three day adventure It is hoped that May will have another chance to operate Daryl NoDTO carried some nice Rhodes and Swartz network analyzer spectrum analyzer boxes to the meeting to show what he markets during the week Ed W6OYJ renewed the Society W6IFE license There was a big resister give away at the Lab and the following weekend was to end the parts availability 26 people present Activity reported at the January meeting Dick WB6DNX went to the lab for tune up of a 3x multiplier and picked up a pile of resistors Jeff KN6VR went to the Christmas party and worked on a 10 MHz oscillator Bill WA6QYR worked on his DSP 10 and went to OVRO event Ed W6OYJ indicated the 24 GHz beacon up at San Diego University TV statio
3. I don t have access to a scanner right now In the top right corner you have registro federal de contribuyentes Put extranjero there Leave ALR and clave unica de registro poblaci n empty Below you will find periodo Put there the time your are staying in Mexico e g 09 2005 10 2005 Put your name below apellido paterno maeterno y nombre s o denominaci n o raz n social Put your last name first Now continue with the main area of the form Under description del concepto put expedicion de operacion de aficionado extranjero Put 15219227 into the field called clave Put 907 without 00 or currency symbols into cantidad a pagar Put 907 next to the field called total de derechos Put 907 into the field called cantidad a pagar Leave all other fields empty Sign the form in the squared dashed area When you have three forms in hand you are ready to go to a bank and make a deposit Make sure you have signed them 6 When you have paid you will get back three forms and a payment confirmation The forms should have a stamp of the bank in the upper left corner Now you are ready to send the letter to CoFeTel The letter consists of the following documents application form as downloaded from the website invitation letter carta responsiva by a local ham copy of your passport copy of your visa either FM3 or tourist visa copy of your licence one of the three forma fiscal 5 with a stamp from the bank proving that y
4. Platt WOZQ or the Proceedings Chairman Donn Baker WA2VOI 0 at the the e mail addresses below DEADLINE FOR SUBMISSIONS FOR THE PROCEEDINGS Monday 1 May 2006 FOR PRESENTATIONS at the conference Monday 3 July 2006 For NOTIFYING US you will have a Poster to be displayed at the conference Monday 3 July 2006 Bring your poster with you on the 27th of July FURTHER INFORMATION is available at the CSVHFS web site www csvhfs org The 2006 Conference and Guidance for Proceedings Authors Guidance for Presenters and Guidance for Table top Poster Displays CONTACTS Note replace at with the sign to use the e mail addresses Technical Program Chairman Jon Platt WOZQ at WOZQ at AOL com Proceedings Chairman Donn Baker WA2VOI 0 at Proceedings WA2VOI at OurTownUSA net The San Diego Microwave Club announces that Mt Miguel has a new beacon transmitting on 24GHz The beacon s primary purpose is to provide an RF target for the Electrical Engineering students enrolled in the antenna design class at San Diego State University Mt Miguel is 8 miles line of sight to SDSU and 17 miles to UCSD The beacon operates on 24 192050 GHz 500Hz with an ERP of 33 dBm The carrier is identified every 2 minutes using a CW ID of K6QPV B The antenna is a horizontal polarized horn 90 deg beam width on an azimuth heading toward the universities Specifics on Mt Miguel are El 2565 ft DM12MQ 32 deg 41 80 min N 116 deg 56 09 mi
5. Micmatrip 700 F it fd C0853 1 5GHr Microstrip 11 690 is mie i DOF a 1 5GHz Micmsirip 21 03 4 FK G O27 15GH Mioosire 70 0 ct 33 pF Chip Cap ATC 1008 na amt C 13 pF Chip Cap ATC 1008 ier Rear i C3 a7 oF Chip Cap ATC 100 8 l C4 05 ipf Chip ap ATC 100 8 Circu Board Cai 10 uF SMT Tanim Chp Cap Chp Cap ATC 100 8 Chp Gap SMT Tantei SMT cal 4mm Faria Bead K 1206 SMT E 1206 SMT SMT Pot K 1206 SMT E t206 SM D28 Ceetectic Thickness E 4 0 AlliedSignal G2 2 07 copper Hello Microwavers I have just updated the SBMS web page section on mods to the Pcom 23 GHz ODU to 24 GHz There are still some issues remaining but these may help if you are modifying these units Go to the SBMS home page at Drop down to Technical Information Papers amp Software Drop down to Technical Articles from the San Diego Microwave Group Drop down to Technical Articles and Projects Then to Peom 23 GHz Mods to 24 GHz Then to Pcom High Side LO Mods to 24 GHz In paragraph 4B you will find mods to the original Pcom dc dc power supply to provide more 5 VDC current to the PA stages in the TX Module In paragraph 6 you will see a photo of how I cured Some instability in the 2 3 GHz U D Converter performances Both these mods should be useful in the low side LO version also I will try to get the final mods documented soon 73s from Ed Munn W6O0YJ858 453 4563 emunn earthlink net PC Board Price List for W1GHZ small proj
6. SAN BERNARDINO MICROWAVE SOCIETY Incorporated FOUNDED IN 1955 A NON PROFIT AMATEUR TECHNICAL ORGANIZATION DEDICATED TO THE ADVANCEMENT OF COMMUNICATIONS ABOVE 1000 MC WOIFE Newsletter February 2006 Edition President Chris Shoaff NORIN 2911 Calle Heraldo San Clemente CA 92673 949 388 3121 cshoaff yahoo com Vice President Dr Doug Millar EED KOJEY 2791 Cedar Ave Long Beach 90806 562 424 3737 dougnhelen moonlink net Recording Sec Mel Swanberg WA6JBD 231 E Alessandro Blvd Riverside CA 92508 909 369 6515 wa6jbd verizon net Corresponding Sec Kurt Geitner K6RRA1077 E Pacific Coast Hwy TMB142 Seal Beach CA 90740 310 718 4910 k6rra gte net Treasurer Dick Kolbly K6HIJ 26335 Community Barstow CA 92311 760 253 2477 dick eventhorizons com Editor Bill Burns WA6QYR 247 Rebel Rd Ridgecrest CA 93555 760 375 8566 bburns ridgecrest ca us Webmaster Chip Angle N6CA 25309 Andreo Lomita CA 90717 310 539 5395 chip anglelinear com ARRL Interface Frank Kelly WB6CWN 1111 Rancho Conejo Blvd 501 Newbury Park CA 91320 805 499 8047 wb6cwn version net WOIFE License Trustee Ed Munn W6OYJ 6255 Radcliffe Dr San Diego CA 92122 858 453 4563 w6oyj amsat org At the 2 February 2006 meeting High Power Amplifiers Members will share their projects and results Want to build an amp Join us for a presentation by those who have had experience building them Both solid state and Tubes Solid State 10GHz amplifiers 23cm Amplifiers solid state and tube
7. ects www w small_proj small_proj htm Quantity _____ Antenna Ratiometer or Handheld Network Analyzer 8 ____ LED Bargraph indicator used with above 4 ____ Fan controller speed proportional to temperature 4 _____ Tonemeter audio tone proportional to voltage 5 _____ Lossless Current Monitor 6 ____ Single LED Battery Voltage Monitor 2 Utility board for Op amps and Comparators 2 50 _____ Simple yet Fool Resistant Sequencer two for 10 two boards on a panel uncut ____ 222 MHz Transverter for the FT 817 or SDR 1000 11 Discounts Three or more boards total 0 25 per board Ten or more boards total 0 50 per board Shipping US amp Canada 1 per order for 4 or fewer boards free for 5 or more Overseas 3 per order for 4 or fewer boards 2 for 5 or more TOTAL Send check and mailing label to Paul Wade 161 Center Road Shirley MA 01464 Subject Obtaining a reciprocal ham radio permit in Mexico XE In the following I will describe what was necessary to obtain a reciprocal xe permit ham radio license in Mexico Getting a reciprocal ham radio permit in Mexico is not easy As already noted on the websites of OH2MCN and WD9EWK for links to their website see below the process requires some substantial paperwork and patience I hope the information below helps you to clarify this process Below you will find information about how to obtain a reciprocal ham radio permit in Mexico City The Xe p
8. ermit page by WD9EWK deals mainly with the situation in Tijuana The situation is a little different here in Mexico City as mentioned on his website Especially if you can t file the paperwork in person due to work commitments Please note that I am not a lawyer neither a professional dealing with this kind of administrative stuff This information is based on personal experience Things to do 1 Download Form 1 from hittp www agitec gob mx requi permiso html scroll down If you are a US ham download Form 2 Very basic knowledge of Spanish is needed to complete the form Having an address in Mexico is helpful as CoFeTel has to send you the Xe permit 2 Call CoFeTel in advance to let them know that your are going to file the application by mail Their number is 5691 7222 when dialing from Mexico City If you dial from outside Mexico City you have to add 01 55 If dialing from aboard use 52 55 5691 7222 Ask for Mr Guzman or Mr Ramirez These are the two responsible officers dealing with the license stuff in Mexico They have a busy working schedule so plan in calling several times Once you reach them they are very helpful and patient I have communicated with them in Spanish They speak a very clear and for foreigners very understandable Spanish 3 Make a copy of your passport your visa either FM3 or tourist visa and ham radio license 4 Get an invitation letter carta responsiva from a Mexican ham This is mandatory for
9. ham radio spend as much as any serious stereo enthusiast amateur photographer or woodworker Where can I get more information More information on ham radio is available from the American Radio Relay League ARRL If you are a licensed ham operator already and want to try a new challenge visit the San Bernardino Microwave Society SBMS Meetings are held the first Thursday of each month in Corona Calif For more SBMS information go to fattp www ham radio com sbms oe Sees sZ Wey WV WV Vv t A f P as Wy 4 Plies We Ay pas Bi San Bernardino Microwave Society newsletter 247 Rebel Road Ridgecrest CA 93555 USA The 40 meter dish at OVRO which SBMS plans to use for EME during Cal Tech education classes The San Bernardino Microwave Society is a technical amateur radio club affiliated with the ARRL having a membership of over 90 amateurs from Hawaii and Alaska to the east coast and beyond Dues are 15 per year which includes a badge and monthly newsletter Your mail label indicates your call followed by when your dues are due Dues can be sent to the treasurer as listed under the banner on the front page If you have material you would like in the newsletter please send it to Bill WA6QYR at 247 Rebel Road Ridgecrest CA 93555 bburns ridgecrest ca us or phone 760 375 8566 The newsletter is generated about the 15th of the month and put into the mail at least the week prior to the meeting This is your new
10. iver w 500 Hz filter I never used it on HF only as an IF radio for my six meter transverter With hand mic service manual and ops manual 1800 1 TS 850S HF transceiver with hand mic service manual amp pos manual Has two BNC female conn on rear for Rx 1 TS 680S HF transceiver with hand mic service manual amp ops manual Unit modified for transverter use 28 MHz Rx amp 0 dbm out tx IF 28 MHz on aux connector on rear engaged with NB2 button Worked much microwave amp six meter DXwith this radio Has great noise blanker as well 400 1 IC706 MKIIG with service manual amp ops manual and hand mic Comes with remote cables 2 two mobile control head mtng brackets and main unit mtng bracket Has 1 9 kHz SSB filter and 500 Hz CW filter installed 700 73 Chip N6CA310 539 5395 Scheduling March Tech talk on 325 GHz SIS receivers and mmwave reception techniques April Network Analysis theory and clinic We need to ask Mel and have him bring his nice analyzer May Basics of noise figure measurement and measurement clinic Need a presenter Tech talk on noise figure and noise temperature June 24 GHz rig progress Members share their 24 GHz rigs and I ve a tech talk on details of construction and challenges July Directional coupler design and use How about a field trip to Cal Tech to their receiver lab We have been invited Tune up party Aug Get ready session for 10GHz and up contest
11. leritek up and down converters from eBay rather than converted P Com units So this is a P tek Celeri Com hybrid rig IMG_2358 jpg JWM sequencer in a surplus milled case b IMG_2355 jpg Sequencer with cover in place IMG_2353 jpg 3GHz Up Down converter mixer unit in a similar surplus IMG2386 jpg Above with cover in place IMG2367 jpg and IMG_2370 jpg W6OYJ DC distribution and bigs E board with slight modifications Different LED indicators are used to show different things Large rectangular LEDs are for 12V signals 5mm round ones show 5V activity I have standardized wire and LED colors to show certain voltages For example orange is the PTT line ground to enable red is plus 12V and yellow is plus 24V This greatly simplifies trouble shooting IMG_2359 jpg WR 42 T R relay board The sub relay is a 12V SPDT unit used to apply plus 24V to actuate the WR 42 relay The red LED shows 12V TX the sub relay and the yellow LED shows 24V TX the WR 42 relay Almost there I re painted a surplus outdoor cabinet and laid out the WR 42 plumbing last night I still have lots to do before it is operational Wayne KH6WZ What Are We Doing Thank you for your interest in our operation We are radio communications experimenters participating in a nationwide competition on the microwave Amateur Radio ham frequencies Who are we We are licensed Amateur radio operators hams and members of the San Bernardin
12. n W Although the purpose of the beacon is for the university students it so happens the LA basin is on the same antenna heading as the SDSU campus so the RF field sweeps NW from Miguel over the SDSU campus and on to LA At the present time five SDMC members have copied the beacon all reporting high S meter readings My appreciation to the following for making this project a success The engineering staff of KPBS for use of their transmitter site atop of Miguel Jerry Petrizze WA6VLF for remote control encoder decoder Kerry Banke N6IZW for parts and pieces and Ed Munn W6OYJ for preliminary power and frequency measurements For additional information please contact GBailey at Mail SDSU Edu Greg BaileyK6QPV Those who are looking for the MUD 2005 Antenna Test Results can find themat e_Results 73s from Ed Munn W6OYJiremunn earthlink net Hiya I just finished scanning and cleaning up all of the Frequency West brick info sheets that I have had for many years www ham radio com n6ca appnotes Frec They are all pdf files and between 450k to 650k 73 Chip N6CA Chris N9ORIN has sent a photo of his 1296 MHz amplifier that he has build and hopes to have at the February meeting Test Circuit a a a 7 Pioement Orgran imo do senie CF oiuf Ca ae pF ai PTF 100 Fid Effect Transistor CH 0 1 uF i O11 5GHe Mieosirip 30 210 bbe 10 UF 2 OO883 15GHr Micmsirp 1169 0 LI 7 nH 8 OOF 47 5GH
13. n and had an article on the 1964 DX shot Howard WA6YGB did some work on 220 MHz rig Mike W6YLZ did some radio house wiring Pat NORMJ did some 5 GHz work at the lab Gary KOK VC did some 2 GHz ATV work George KOMBL described some of his past work Ray WA6OWM was at OVRO Wayne KH6WZ did some 24 GHz converter work Daryl N6DTO did some ATV work Dennis WA6NIA was at OVRO Rich KG6JKJ was at OVRO Dick K6HIJ made the MUD final meeting the Christmas Party and worked on 24 GHz waveguide switches Juno KG6MQS did some filter work Paul KH6OHME indicated the beacons are up and running Larry KOHLH did some work on his EME dish and 1296 MHz Ina Mel WA6JBD made and az el mount for a 18 inch dish and fixed an Ina Doug KOJEY did some work on septum kits and was at OVRO Chris N9RIN did some Ina work and has a power amp on 1296 MHz KOBNN did some 10 GHz work Art KC6UQH via ATV did some 2 GHz work and K6GVE via ATV did some power supply work Wants and Gots for sale Want 5 GHz amp with 5 w or more out put Hardline 7 8 or larger in 100 ft plus lengths Pat NORMJ 661 264 1978 Want 1152 board for 1296 MHz converter Chris NORIN cshoaff yahoo com For Sale WR90 waveguide relay 28v coil 50 each Wayne KH6WZ 714 846 1230 310 252 7726 kh6wz arrl net Free Prime star off set dish pick up at meeting or Huntington Beach Wayne KH6WZ 714 846 1230 For sale Clearing out radios I am no longer using 1 FT1000D HF transceiver with second rece
14. non US hams Without this letter you won t be able to receive the permit 5 The current fee as of September 2005 is 907 pesos about 70 EUR Paying this fee is a bit tricky if you can t file the paperwork by yourself as you have to get and complete the necessary forms by yourself You need to get forma fiscal 5 This is a standard form here in Mexico to pay fees derechos to the government This form is called Declaraci n General de Pago de Derechos issued by the SAT Servicio de Administraci n Tributaria Secretaria de Hacienda y Credito Publico You can buy theses form in any paper store I bought mine in a local Office Depot located in the shopping center Gigante Radio Shack Burger King and more stuff in Polanco on Moliere between Cervantes Saaveedra and Exercito National Office Depot has a special section for forms ask for forma fiscal numero 5 and they will guide you to the right place You will need 3 of these forms They need to be filled out either with a computer or typewriter If anything else than the signature is handwritten the bank will not accept it happend to me as I thought I could give it a try If you don t have access to a typewriter you can get these forms filled out in an escritorio These are small shops which provide copy service and form filling service I paid 25 pesos for three forms The form consists of several empty fields I will later put a scanned image on my webpage but this has to wait as
15. o Microwave Society SBMS The goal of this contest is to talk to as many other ham radio stations with similar equipment as far away as possible Is this legal Yes The Amateur Radio service was created to encourage development of radio communication technology and establish a public service communications force at no charge to citizens or the government Is this like CB No this is not Citizens Band radio CB Ham radio requires a license issued by the Federal Communications Commission FCC and licensees are required to successfully pass a written test involving electronics theory radio regulations and operating procedures How far can you talk The frequencies we are using generally follow line of sight paths However through experimentation we find that signals can be reflected against objects such as buildings trees islands and mountains to extend the range Using these techniques we are able to contact other stations hundreds of miles away What kind of radios are you using We are builders and experimenters in microwave radio communications No commercially built off the shelf equipment for these frequencies exists So we must build our own equipment or modify commercially made equipment meant for other communications services such as cell phone and long distance telephone How much does this equipment cost Like any other hobby people spend as much or as little as they can afford Most people involved in
16. ou have paid copy of paying confirmation of the bank Don t send the letter by normal post It takes about 2 3 weeks Use a mensajeria instead I used DHL as they had a subsidiary in the local Office Depot They charged 110 pesos but delivery is overnight Send the letter to Comision Federal de Telecomunicaciones Mois s G Ramirez Rodriguez Director de emision de licencias Avenida de las Telecomunicaciones s n Edificio ingenieria y sistemas primer piso Col Leyes de Reforma 09310 Iztapalapa M xico D F Important Don t send the letter to the address mentioned Bosque de Radiatas in the application form as this will slow down the process In my case the whole process about 3 weeks If you have further questions please feel free to contact me It was quite an effort to obtain all necessary documents and information Many thanks to Ramon XEI KK for helping me when dealing with CoFeTel Withhout him I would not have been able to obtain a reciprocal Xe permit At CoFeTel I would like to thank Mr Mois s Ramirez and Mr Samuel Guzman for their help and patience Related Links Information about how to obtain a reciprocal ham radio licence in Mexico XE by WD9EKW Licencing Information about Mexico by OH2MCN Required forms provided by CoFeTel Back to DL6KAC de or the Blog Miguel Ramirez lt jw6ylz sbcglobal net gt Here are some images of the modules I made for my 24GHz P Com conversion radio My unit will use Ce
17. sletter SBMS Newsletter material can be copied as long as SBMS is identified as source
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