|From:||"Andy Talbot" <[email protected]>|
|Date:||Tue, 24 Apr 2007 13:52:13 +0100|
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I've been away from the LF scene for some time, and haven't even been reading the postings recently, so know nothing of what is going on on 0.5MHz.
I was looking at various bits of equipment / junk on the shelves recently (with a view to rationalising it all and putting some of teh bits on a rally stand or Ebay) when I realised I more than enough hardware that can be plugged together for a very potent 500kHz station. Viz. 200 Watt 500kHz to 40MHz linear PA, transverter and a old NDB variometer that matches my LF Tee antenna. (The PA in fact generates full power down to significantly lower than 500kHz).
A quick test of the antenna at this freq indicates 23 ohm loss resistance (it is 100 ohms at 137kHz) so with the 200W PA I suspect would be over the allowed E.RP.
What is happening on 500kHz? Having no interest whatsoever in CW, or working other stations just to add up callsigns and countries, so is there any experimentation going on; optimum data modes, propagation monitoring etc that would make it worth applying for a NoV and doing some radio science again?
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