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A prebuilt Softrock-like HF SDR. Looks like it's mostly SMT.
to electronics hf radio sdr ... on 18 April 2011
Open source EchoLink server and client.
GM3WOJ contents page edit / delete
Interesting bits on building amplifiers, and how to properly maintain crank-up antenna towers (it's remarkably complicated).
to amateur amp electronics hf mechanica radio retrotech rf ... on 11 April 2011
GQRP Club - Low Power Amateur Radio edit / delete
The GQRP guide to low-pass filter design. I need to order some bigger toroids.
to electronics filter ham lpf radio ... on 02 April 2011
Experimental AMPS Micro Base Station edit / delete
One of those mind-boggling projects. I assume it'd be relatively easy to implement on an SDR rig given the information he's managed to reverse-engineer...
to amps electronics radio telephone ... on 02 April 2011
Linux: Multimon Radio Transmission Decoder edit / delete
Too scrappy to be worth packaging, but might be worth reusing -- does POCSAG, DTMF, etc.
NATS | AIS - Home edit / delete
Details of UK airports -- all available online for free.
Some interesting military radios.
to electronics military radio retrotech ... on 27 March 2011
Eddystone User Group edit / delete
Interesting restoration articles.
to eddystone electronics radio restoration retrotech ... on 27 March 2011
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tasty by Adam Sampson.