Using Gqrx on RaspberryPi for an autonomous APRS iGate and WSPR using both AirSpy or RTL-SDR

[lavie gur]

Hi, 

I am looking to setup a fully autonomous (headless) RaspberryPi + AirSpy and a RaspberryPi+RTL-SDR units to deliver APRS iGate and WSPR reception. 

Is there a recommended way to do it with Gqrx ?

Thanks
Gur 

[Robert Eckelmann]

For APRS you should have a look at Direwolf (https://github.com/wb2osz/direwolf)
Direwolf can take input via the UDP audiostream from GQRX..

GQRX can be remotelz controlled if you want to track the APRS sats..

I dont know about WSPR and GQRX but there is probably also a way to feed audio from GQRX into WSPR..

HTH,
Rob

[David Ranch]

Hello Gur,

Please see https://github.com/wb2osz/direwolf/blob/dev/doc/Raspberry-Pi-SDR-IGate.pdf for a complete document on how to do this.  Depending if a waterfall view is important, this document speaks to using the lighterweight rtl_fm program to do the SDR function.

--David

[lavie gur]

Thanks.

Do you think this should work with AirSpy as well ?

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[Simone Marzona]

On Wednesday, January 25, 2017 at 12:31:23 PM UTC, Robert Eckelmann wrote:

For APRS you should have a look at Direwolf (https://github.com/wb2osz/direwolf)
Direwolf can take input via the UDP audiostream from GQRX..

GQRX can be remotelz controlled if you want to track the APRS sats..

rig-remote is able to control remote one or 2 gqrx instances, if you are going this way.

 

[David Ranch]

You'll need different tools for the Airspy but the rx-tools package looks encouraging:

   https://github.com/rxseger/rx_tools
      - Here is an article on the project:
         https://medium.com/@rxseger/rx-tools-command-line-sdr-tools-for-rtl-sdr-bladerf-hackrf-and-more-rx-fm-rx-sdr-rx-power-2e74f59a9e79#.ua50cl45k

   See other options at https://www.google.com/search?q=rtl_fm+like+tool+for+airspy&ie=utf-8&oe=utf-8#q=%22rtl_fm%22++for+airspy

--David
KI6ZHD