January 2007 - AMSAT-BB - mailman.amsat.org

SSTV/ISS
by Mr Jeffrey Ross 09 Jan '07

09 Jan '07

HI ALL, HAS ANYONE HEARD THE LATEST ON THE SSTV COMING FROM THE ISS? KC8GKF WEST MICHIGAN USA

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My 1st AO-51 / Sat contact(s)
by sraas＠optonline.net 09 Jan '07

09 Jan '07

Well I finally did it.. I was suprised that I was able to be herd by the bird.. only TX'ing on a 1/4 wave groundplane in my living room.. but I had the 11 element 432 yagi in my hand.. and I worked 3 or 4 stations... I wish I could have logged them but I had my hands full! Mainly in the new england states I think I also worked a w8 or a w5 What a rush! Now its just a matter of a rotor and some mast pieces.. and the antenni will be outside! If you are one of the stations I worked thismorning.. please email me @ sraas(a)optonline.net or if qsl is needed the QRZ address is good. Good morning ! -Steve Raas

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RAFT Command Stations in Southern USA
by Robert Bruninga 08 Jan '07

08 Jan '07

* We need a volunteer command station for RAFT in the * southern states from Arizona through Texas to Georgia Today was the first time I tried to command RAFT from Annapolis to enable the 216.98 MHz radar fence transponder and I timed out 30 seconds before the fence penetration. With RAFT's weak signal, it looks like it would be better to command from a southern state that is underneath the 216.98 MHz transmitter fan beam across the southern USA. With my OSCAR array, I still need a pass better than 15 degrees for success, which is too rare for me to occur while RAFT is passing through the fence. So we need some help. Requirements: 1) an OSCAR array on 2 meters with Preamp or very short coax cable 2) AZ/EL mount and tracking 3) AX.25 standard TNC at 1200 baud 4) Good understanding of basic TAPR-2 TNC functionality 4) any ole' PC that can run a DOS program 5) A recorder to record the downlink audio when RAFT flies through the fence 6) station location from Arizona to Georgia or southern states inbetween 6) persistence and dedication You need access to your station during morning or afternoon passes. Right now they are about 5 PM local time but moving earlier every day by 20 minutes or so. Or you can do the morning passes which are now occuring at about 9 AM local time and moving earlier. What you will do is try to meet one or both of the two passes, and send the command to turn on the RAFT radar fence transponder which will bring up the RAFT 145.825 downlink for about 1 minute which will provide you with the signals heard by the 216.98 MHz uplink receiver. You will record that audio for that 1 minute to capture a ping if it works. Thanks! Bob, Wb4APR

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AJ2007 ARISS Contact
by Trevor 08 Jan '07

08 Jan '07

The ARISS seems with the 21st Australian Scout Jamboree AJ2007 seems to have been a great success. A Scout report of the ARISS contact can be seen in Edition 8 of the Jamboree newspaper "Kevin" which can be downloded from: http://www.getinthegame.com.au/kevin/kevin08.pdf AJ2007 Information Resources http://www.webhelponline.net/aj2007/ Australian JOTA-JOTI Coordinator, Bob VK6POP, has posted some pctures at http://scouthq.net/gallery/v/sl07cafe/jabby/AJ2007+ARISS+Contact+001.jpg.ht… Wireless Institute of Australia (WIA) report: Read the full story, see the pictures and hear a recording of the amazing ARISS contact at ... http://www.wia.org.au/news/2007/20070108-01.php Wireless Institute of Australia - http://www.wia.org.au/ ---- Send instant messages to your online friends http://uk.messenger.yahoo.com

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HITSAT 1654 UTC
by Mike Rupprecht 08 Jan '07

08 Jan '07

AOS 1654 UTC Oct, 11 (JN49lr) Hit4 c1dd.1b8 Hit1 jr8yjt Hit2 a1201535734 Hit3 0d4c4f494f484949 Hit4 c1ddd1e1 Hit1 jr8yjt Hit2 a120157532f Hit3 2c4b4b494b4a4848 LOS 1703 UTC 73, Mike DK3WN

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Pehuensat-1 launch on Jan-10
by Amsat Argentina 08 Jan '07

08 Jan '07

Pehuensat-1, 2nd Argentine amateur satellite is planned to be launch by ISRO from India on January 10th at 4 AM GMT to a 635/640 Km polar sun synchronous orbit, inclination 97.92 degrees, aboard PSLV-C7 4 stage rocket. http://www.isro.org/pslv-c7/index.html Pehuensat-1 will transmit voice messages in three languages, English, Hindi and Spanish and will be heard on 145.825 Mhz plus an AX25 1200 baud packet following the voice message. More information on http://www.amsat.org.ar?f=6 Pehuensat owns her name to native patagonian tree 'Pehuen'. Pehuensat-1 is developed by Argentina School of Engineering at University of Comahue, Argentina Asociation for Space and Technology and Amsat Argentina. Weighing 6 kg, is intended to gain experience for designing more complex missions for educational, technological and scientific fields. http://www.isro.org/pslv-c7/pg10.html Keps and passes click globe & location on http://www.amsat.org.ar . Reports welcome at http://www.amsat.org.ar?f=z . 73, LU7AA, Amsat Argentina info(a)amsat.org.ar www.amsat.org.ar

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Predict and LVB Tracker
by Howard Long 08 Jan '07

08 Jan '07

Folks I sent a mail out to the BB a while ago regarding an updated version of LVB Tracker I firmware that includes compatibility for use with Predict. I discovered that Predict sent null characters at the start of each command that meant the old firmware got confused and ignored the command. This updated version ignores these null characters, but I'd like to find interested parties who'd be happy to try the new firmware and give it the thumbs up. Let me know if you're interested! 73, Howard G6LVB

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rotor interface options
by Larry 08 Jan '07

08 Jan '07

Good day and happy New Year to all! I was just wondering what options are available to connect an az-el rotor controller to the PC. The Kansas City Tracker isn't in production, as well as the Trackbox, except on the used market. What else can we use? 73's... Larry N1MIW

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Re: PACSAT system
by Bent Bagger 08 Jan '07

08 Jan '07

Hi William William Leijenaar wrote: > I would like to know if there is any software, data or > kind of flow chart available from a PACSAT (satellite) > system ??? > There is of course the Pacsat protocol specification (http://www.amsat.org/amsat/sats/nk6k/pacdocs.zip) but it should be possible to get an easier start on the project. Personally I have worked on the client side (the ground segment) of the protocol - I'm the coauthor/maintainer of PB/PG for Linux - so I have not tried to do the server side, but I wonder if not one of the people that have actually written the software for the satellites you mention, should be able to help you. Best 73 de Bent/OZ6BL

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RAFT beacon Jan.8
by Mineo Wakita 08 Jan '07

08 Jan '07

RAFT 145.825 MHz AX.25 1200bps AFSK Jan 8, 15:50-15:58 JST, 2007 Jan 8, 06:50-06:58 UTC, 2007 Max ele, 48 deg RAFT>BEACON,SGATE [01/08/07 15:53:14] <UI>: T#972,086,090,037,054,123,00000000,999 [by RAFT Telemetry Decoder Ver1.1 beta] Bus Voltage 8.6 V Solar Current 180 mA Battery Current 74 mA Load Current 108 mA TX Temp 23.16 C Statusbits 00000000 --------------------------------------------- Name: Mineo Wakita / JE9PEL, JAMSAT member Mail: ei7m-wkt(a)asahi-net.or.jp URL : http://www.ne.jp/asahi/hamradio/je9pel/ QTH : Yokohama Japan, GL:pm95tj Date: Jan 8, 2007 ---------------------------------------------

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