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One component radio clock time transmitter edit / delete
Very cute. I have fairly poor reception of the UK time signal up here in Dundee -- I'm now pondering a GPS- or NTP-locked local repeater...
Whistable-based radio enthusiast. The section on his LF gear is interesting -- using an audio amplifier as a PA.
www.on7yd.strobbe.eu edit / delete
Measurement techniques for 136kHz and 500kHz.
to antenna electronics lf radio ... on 08 April 2012
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 2012
Long Wave Radio! edit / delete
136kHz and 500kHz operation. Lots of information.
to amateur electronics lf mf radio transmitter ... on 13 September 2011
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tasty by Adam Sampson.