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Alan Yates' Laboratory - 555 Super-Regenerative IF HF Spectrum Analyser
Very neat!
to 555 electronics radio test-equipment to-build ... on 19 June 2012
Dire Wolf - Decoded Information from Radio Emissions for Windows Or Linux Fans
Software packet modem.
to amateur aprs ax24 digimodes modem packet radio software to-package ... on 19 June 2012
Crystal set with no preselector -- so it receives everything nearby. Looks like an interesting project.
to electronics radio receiver to-build ... on 19 June 2012
OK0EPB (exact pendulum beacon)
Radio beacon using a pendulum clock. Very neat!
to beacon clock pendulum radio timekeeping ... on 19 June 2012
Surplus public service radios, and the same pre-converted for amateur use. Also a selection of Icom tone boards -- just not the one I need!
DAB decoder using GNU Radio. I wonder how hard it'd be to adapt this to RTL-SDR?
Adapting an existing modem for use with Codec2.
to codec codec2 digital-modes modem radio software ... on 27 May 2012
In Burntisland. Worth a visit at some point, it looks like.
A use for some of those ATmega8s I've got around...
to avr microcontroller packet radio tnc ... on 19 May 2012
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tasty by Adam Sampson.