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Telecommand transmission - Printable Version

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Telecommand transmission - VK2FAK - 21-09-2018

Hi All..


How do you go about sending command signals to a LEO satellite.  using 9k6 ax.25 gfsk  .

What radio is required, and software to do the job......?

Never done it here,  and at this stage don't have a radio that would do  9k6 baud.


The reason I ask, the problem came up again yesterday with a LEO satellite, which needed a reset, it fixed itself as far as I know, But that's about 3 times now, so may be an idea to set-up for it...


John


RE: Telecommand transmission - VK4ADC - 21-09-2018

Some web pages to look at - open in this order:

http://www.pe0sat.vgnet.nl/decoding/satellite-telemetry/modes/


http://www.amsat.org/articles/g3ruh/109.html

http://uz7.ho.ua/packetradio.htm

https://wb4son.com/wpblog/?p=2309


RE: Telecommand transmission - VK2FAK - 21-09-2018

Hi

Thanks for those, I have most of the decoders needed for current sats, just not sure on the TX side of things. As the last sat issue it was required to upload a few HEX codes and the destination callsign