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echo: scanners
to: BRUCE CLARK
from: RICHARD MEKKA
date: 1997-08-15 09:19:00
subject: 123.325 Am Radio Station

Hello Bruce,
09-Aug-97 22:32:00, Bruce Clark wrote to Richard Mekka
          Subject: 123.325 Am Radio Station
-=>> Quoting Richard Mekka to Steve Walford <=-
 SW>> Over here in England I'm picking up a signal in the middle of
 SW>> the aircraft band on 123.325 AM, Station identifies itself as Radio
 SW>> Deutch Nweller, 
 RM>> This is probably Deutsch Welle, the German equivalent of the BBC.
 BC> A harmonic? Divide 123.325 by 8 and 15.4156 pops up. 
No chance.
1) All half-way modern SW stations broadcast on multiples of 5 kHz. DW, with
ruthless teutonic effiency, would never allow a 600 Hz offset on their
transmissions :-)
2) Assuming a modest 60 dB rejection of all harmonics, a 500 kW Tx would only
radiate 500 mW on the nth harmonic, and into a non-resonant aerial at that!
No, I'm quite sure the answer lies in a shortcoming in the scanner, and/or
some funny mixing product.
  Richard Mekka  
--- Terminate 3.00/Pro
---------------
* Origin: Please note my new point no. (2:254/26.23)

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