ARLA/CLUSTER: [vhf-hamradio] strange VHF signals
Jose guerreiro
ct1eps gmail.com
Terça-Feira, 1 de Maio de 2007 - 01:22:47 WEST
I think it is multipath off of a air plane much like doppler affect off a
satalight exceppt it does not move as fast (sat is 2kcs)
milton
mike <kd0ar sbcglobal.net <kd0ar%40sbcglobal.net>> wrote:
I'm listening to the W3TTS beacon, which is audible 100% of the time
here.
I notice on occasion, I'm hearing it on 2 different frequencies, the
second freq just kinda pops in, and there is usually some flutter on it.
it lasts for various lengths of time. The 2nd frequency is very close
to the sirect one, maybe 50 hz off. usually its low, but sometimes its
high. The 2nd freq does not change, best I can tell. It almost seems
like some kinda doppler shift. This is on 144.300.
I have noticed this on other signals as well.
Wonder if any of you might have heard something similar and perhaps can
offer an explanation?
Mike, kd0ar
[Non-text portions of this message have been removed]
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