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LF: Re: CW beacon "BRK" on 137.00khz ???????

from [James Moritz] [Permanent Link][Original]
To: <[email protected]>
Subject: LF: Re: CW beacon "BRK" on 137.00khz ???????
From: "James Moritz" <[email protected]>
Date: Sat, 30 Apr 2011 12:16:32 +0100
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Dear Gerhard, LF Group,
There is an NDB "BRK" listed near Vienna on 408kHz, which is 3 x 136kHz. Allowing for +/- a little frequency for the AM sidebands this could be what you are hearing - the active whip would pick this up, but a tuned TX antenna would attenuate it considerably. Perhaps a bit more preselection required? 

Cheers, Jim Moritz
73 de M0BMU
----- Original Message ----- From: "Gerhard Hickl" <[email protected]> 
I'm working on a new DC-CW receiver and while testing, I found a
CW-Signal on 137.00 sending "BRK" every 10 seconds.
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