Re: [IRCA] CBG carrier on SpecLab
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Re: [IRCA] CBG carrier on SpecLab



Hi Paul,
 what DRM on 1395 kHz?

73, Mauno

----- Original Message ----- 
From: "Paul Crankshaw" <paulc@xxxxxxxxxxx>
To: "Mailing list for the International Radio Club of America" 
<irca@xxxxxxxxxxxxxxxx>
Sent: Saturday, November 18, 2006 11:12 PM
Subject: [IRCA] CBG carrier on SpecLab


>I plotted the carrier of 1400 CBG on Spectrum Laboratory today between
> 0930 and 1930 UTC
>
> Sunrise here is around 0708 and sunset 1628
> Distance to Gander NF is around 3400 km.
>
> http://paulc.mwcircle.org/cbg.jpg
>
> The yellow trace showing the frequency of CBG is undulating. It only
> faded out for around 90 minutes (1230 to 1400) and even then there is
> evidence that it wasn't totally lost. Amongst the random dots showing
> the carrier has been lost you can trace a few dots following the line of
> the CBG carrier.
>
> I'm not quite sure why the noise (red) is so much higher as the evening
> wears on - possibly the dreaded DRM on 1395 kHz. The green trace is the
> measured strength of the CBG carrier.
>
> Paul
> Troon, Scotland
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