[BC] Car Radio Antennas

Rik van Riel riel at surriel.com
Fri Jan 25 16:48:46 CST 2008


On Fri, 25 Jan 2008 08:10:22 -0700
RichardBJohnson at comcast.net wrote:

> Reception
> The frequency modulation of the transmitter carrier with a 
> pseudo-random noise pattern does not put noise into the output of a 
> linear envelope detector because it does not affect the amplitude. 
> However, when either a receiver or the transmitters are tuned off 
> frequency, FM to AM conversion can occur. 

You'll be horrified and/or amused to learn that two
stations on shortwave already have a modulation
approaching the above idea.

Mauretania on 4845 kHz

Sakha Radio on 7202 kHz (nominal 7200)



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