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W3EEE - Mt. Gretna, PA, U.S.A edit / delete
I found this originally for the Codar AT5 (a very cute 160m/80m transmitter), but there's lots of interesting stuff on LF radio here, and some good advice on receive antennas.
to am antenna electronics lf radio transmitter ... on 30 March
Long Wave Radio! edit / delete
136kHz and 500kHz operation. Lots of information.
to amateur electronics lf mf radio transmitter ... on 13 September 2011
Radio Projects - VK3AJG edit / delete
Several SSB/DSB transceivers. The 2m one is pretty cool.
to electronics radio receiver transmitter vhf ... on 25 June 2011
The "Mark III" WWII valve transmitter -- a fair match for an HRO -- and replacement HRO knobs.
to electronics hro markiii radio retrotech transmitter ... on 04 June 2011
Small Wonder Labs edit / delete
Radio kits. Sort of tempted by a PSK-20/40...
to electronics ham kit psk radio transmitter ... on 04 November 2010
Elektronika.ba - FM bug 420-480 MHz circuit schematics edit / delete
Using a Nokia VCO chip as a low-power 70cm transmitter.
to 70cm electronics radio transmitter uhf vco ... on 30 October 2010
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| 1 | + hro |
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tasty by Adam Sampson.