[FedCom] Heard 08 October 2006 NYC area
gary
lists at lazygranch.com
Tue Oct 10 14:25:44 EDT 2006
Michael W. Scheel wrote:
<major snip>
> The radar return from FAA ATC radar would be so small you would need a
> directional antenna the size of a large building which most ATC Radars
> are. You would be better off trying to detect them with airplane scatter
> on the tv channels. Something I read and tried out back in the late 70s.
> I pointed a large TV antenna array at Milwaukee Wi and placed the TV on
> Channel 18. I then would see a brief burst of signal when an airplane
> was in the right place between Milwaukee and my location in Davenport
> Iowa. But it was really boring I think I never got more than a half
> dozen burst in 60 minutes. Only tried it a couple of times.
>
This technique is used for meteor detection. What they do is set up a
radio in CW mode so that it emits a tone (beat frequency) when the TV
signal carrier is detected.
http://www.spaceweather.com/glossary/forwardscatter2.html
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