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Old August 7th 07, 04:35 PM posted to rec.radio.amateur.antenna
Jim Lux Jim Lux is offline
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First recorded activity by RadioBanter: Mar 2007
Posts: 801
Default Looking for advice on CAP/MARS antennas

Geoffrey S. Mendelson wrote:
Rick (W-A-one-R-K-T) wrote:


I'm aware of the B&W "radiating dummy load" (TTFD) antennas but I'm not
quite ready to give up that much efficiency and I'm DEFINITELY not ready
to blow $300 on one.



I think you need to rethink this. A T2FD antenna is a radiating dummy load
on frequencies that it is not really cut for.


But so what... in ham terms, an antenna that radiates 25% of its
feedline power would be considered egregiously inefficient, but hey,
that's only a 6dB hit. Easy to make it up with an amplifier on Tx, and
on Rx, you're usually external noise limited anyway, so, from a system
standpoint, the T2FD isn't a bad approach.