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Leeds Radio - since 1923 edit / delete
In New York -- but they ship internationally. They have National valve sockets and knobs...
to electronics hro radio shopping surplus ... on 21 November 2011
Small Magnetic Receiving Loops edit / delete
Useful description of shielding techniques.
epguides.com - Menu of 962 radio shows edit / delete
Episode lists (via Dad).
FETer 80m QRPp CW transceiver - G3XBM edit / delete
One-transistor transceiver. Although it would certainly be cheaper to use two transistors and do away with the expensive 4-pole switch -- that's probably worth trying!
to electronics radio transceiver ... on 29 September 2011
ATPDEC Home Page edit / delete
Decode weather satellite imagery. A use for one of those Pye receivers?
to radio satellite software weather ... on 29 September 2011
Very Simple ADSB receiver edit / delete
Using a microcontroller and a VCR tuner module.
to ads-b aircraft electronics microcontroller radio receiver ... on 29 September 2011
Long Wave Radio! edit / delete
136kHz and 500kHz operation. Lots of information.
to amateur electronics lf mf radio transmitter ... on 13 September 2011
GLOWBUGS TIMES - DIY Amateur Radio Tube Junk Box edit / delete
I like the 5W valve transmitter. Very cute!
to amplifier electronics homebrew qrp radio valve ... on 13 September 2011
ttf2011's Channel - YouTube edit / delete
Documentaries to do with the history of broadcasting -- e.g. the Trade Test films.
to broadcasting history radio tv video ... on 06 September 2011
>>> I before E except after Hellschreiber « SWHarden.com edit / delete
Hellschreiber beacon with an AVR. This idea sounds worth playing with -- more fun than PSK31 and simpler to transmit!
to avr beacon digimodes electronics hellschreiber microcontroller radio ... on 23 August 2011
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tasty by Adam Sampson.