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Re: Faraday Rotation calcs?

Hi Chris,
Faraday rotation is significant at both 146 and 436 MHz on a
satellite link in that you can expect several complete
360 degree rotations within one typical LEO pass.

Calculating or predicting the exact rotation is quite
complex and depends upon things like the frequency, 
electron density in the atmosphere and the relative
angle of the radio wave.

A basic well-written intro with equations for predicting
the rotation is provided in "Radio Astronomy," by
Kraus available from Cygnus-Quasar Books. The ISBN
is 1-882484-00-2. Actually, I recommend this book just because
it has a lot of interesting radio-related info in it.


Tony AA2TX@amsat.org
Tinton Falls, NJ