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Re: [Discuss-gnuradio] Report on progress with Raspberry Pi 2

From: peter
Subject: Re: [Discuss-gnuradio] Report on progress with Raspberry Pi 2
Date: Sun, 12 Apr 2015 11:33:20 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

A simple WBFM radio receiver (RTL Source, Low Pass Filter, WBFM Receive, Audio Sink) works well with my Raspberry Pi2 and a RTL SDR. As soon as I add a FFT Sink (connected to the RTL Source) audio "stutters", is distorted and sometimes the program hangs. The indicated CPU load is well below 50 % in this case.

RTL-SDR (part of the osmocom rtl-sdr package) works fine with a Pi2.


On 12.04.2015 02:22, Mike Harpe wrote:
BLUF: I can get gqrx to run but not very well. It will run for a few seconds then hang badly. Sometimes the board needs to be rebooted.

After much goofing around getting it all setup again I ended up at the same place.

It runs but not very well with a Funcube Pro Plus. gqrx will come up and I do get choppy audio for a few seconds when tuned to a NOAA Weather Radio that is very close to me.

If anyone is interested I can provide more detail. Otherwise I am going to wait to see how this evolves.

Mike Harpe, N4PLE
Sellersburg, IN

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