Tag Archives: aprs

DSP-232+ and KISS operation

Posted on 2016-02-02 by James

While I wait for my DS1243Y-120+ samples to arrive, I thought I would spend a bit of time working with my DSP-232+ and a Raspberry Pi. Although the DSP-232+ is capable of acting as a standalone system, I would like … Continue reading →

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APRS / packet radio / TNC fun

Posted on 2014-07-27 by James

Hi all, I’ve had a crazy summer so far, and as a result I’ve had little time for tinkering and ham radio. Despite this fact, I’ve managed to acquire a new (to me) piece of kit: a Timewave DSP-232+ DSP … Continue reading →

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APRS & Soundmodem

Posted on 2013-12-12 by James

I was not satisfied with my prior results with the APRS testing, so I setup soundmodem in an Ubuntu environment on my trusty netbook and set-off to decode packets. As expected, everything went well – soundmodem was decoding local packets … Continue reading →

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AFSK packet investigation

Posted on 2013-11-04 by James

To further my investigation as to why the soundmodem TNC appears to be flaky, I decided to scope the output of some local APRS transmissions. After setting the squelch to the point where no background noise was seen / heard, … Continue reading →

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