[BC] Car Radio Antennas

[RichardBJohnson at comcast.net]

Bad PLL? Neat thing is my scheme would "work," in that
it would completely smooth out  and eliminate the IBOC
digital, "cleaning" up what is left!

--
Cheers,
Richard B. Johnson
Read about my book
http://www.LymanSchool.org


  -------------- Original message ----------------------
From: Rik van Riel <riel at surriel.com>
 > 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)
 > _______________________________________________