Author Archives: James

FM Transmitter analysis

It has been far too long since my last update and so I decided to do a cursory analysis of an FM radio transmitter (the kind you would use to listen to your MP3 player in a vehicle which lacks … Continue reading

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Changes …

Well, the end of an era has come. I just cancelled my 15+ year colocation contract in favour of hosting my domains in a more budget friendly sense. In a way, I regret cancelling the colocated server service as it … Continue reading

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APRS & Soundmodem

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

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

Posted in General, Operating | Tagged , , , , | 4 Comments