[amsat-bb] APRStk ? Or other?

Mike Thompson zryder94 at gmail.com
Thu Mar 2 16:01:54 UTC 2017

I wonder how hard it would be to get the raspberry pi to download TLE's
every now and then, and apply doppler correction to the downlink iGate
frequency. on 70cm, this might be a big deal.

On Thu, Mar 2, 2017 at 9:56 AM, Scott <scott23192 at gmail.com> wrote:

> Hey Dave.
> It takes longer to read the instructions that it does to setup a Raspberry
> Pi to be an iGate.
> When the ISS digipeater changed to 70cm, there were not enough iGates so I
> thought it might be fun to throw one together.  There are numerous how-to's
> online, but this one is perhaps the most straight-forward:
> https://github.com/wb2osz/direwolf/blob/master/doc/Raspberry
> -Pi-SDR-IGate.pdf
> ... unfortunately, the way the document was created you won't be able to
> copy/paste commands.  But regardless, it's not a difficult process if you
> have even the slightest familiarity with a Pi or linux in general.
> Hope that helps!
> -Scott,  K4KDR
> Montpelier, VA  USA
> ------------------------------------------------------------
> --------------------
> -----Original Message----- From: Dave via AMSAT-BB
> Sent: Thursday, March 02, 2017 9:57 AM
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] APRStk ? Or other?
> Hi All
> I'm setting up an autonomous sat gate using a spare Kenwood TMD700. I seem
> to remember that once upon a time there was a DOS program called APRStk
> that could Doppler correct the TMD700.
> Does anyone know of a more up to date alternative that would run on a Pi
> or Pi Zero?
> Regards
> Dave EI4HT / M0GIW
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