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Re: Help with cubesats

From: Miklos Maroti
Subject: Re: Help with cubesats
Date: Mon, 17 Feb 2020 01:33:09 +0100

Hi Andrew,

Shameless plug, but you can take a look at this repo
https://gitlab.com/phorvath/smogcli2 to record samples with RTL-SDR
and Raspberry PI. It is developed for the ATL-1 and SMOG-P satellites.
It is a standalone application, samples at 1.6 or 2.0 maps, tracks the
location of the satellite and starts recording if the elevation is
above -2 degrees. When it is recording it compensates for Doppler and
then downsamples to 50 ksps (or 62.2 ksps). You can process your
recordings with gr-satellites or a GNURadio flow graph..


On Sun, Feb 16, 2020 at 3:00 AM Andrew Stamp <address@hidden> wrote:
> Hi,
> I’m looking for assistance with setting up a raspberry pi, with Direwolf and 
> gr-satellites, to receive and decode from the Phoenix cubesats being deployed 
> on February 17. Specifically, they will be ax.25, using GMSK. Is it possible 
> to use a raspberry pi to record the audio, and record the waterfall? I was 
> hoping to make this a stand-alone unit that I can upload the information when 
> available. It is a raspberry pi 3 b, with an RTL-SDR dongle. I don’t have a 
> screen on it. I am still very new, I have set up a couple raspberry pi’s with 
> Direwolf, and have set up a Windows 7 netbook for RX WSPR. I would really 
> appreciate any help.
> Thank you,
> -Andy, N2YQO

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