[Fwd: 137 RTTY & AMRAD Beacon]

[Andre' Kesteloot]

Lyle Koehler wrote:

> According to David Wilson's LF listing in the May 1998 LOWDOWN, the RTTY
> signal on 137.0 kHz is CFH, from Halifax (Mill Cove) -- in Nova Scotia,
> I presume. That is consistent with the east-west bearing I observe with
> my loop antenna, and the very strong signal here in Minnesota. I don't
> have a capability for absolute field strength readings, but last night
> at 0700 UTC the 137 kHz RTTY signal was about 25 dB above the noise
> level with a 100 Hz IF bandwidth.
>
> There are also listings for NSS from Norfolk, VA on 134.9 kHz and for
> NPG from San Francisco (Dixon) CA on 135.95, 136.0 and apparently also
> on 136.9 kHz. These listings are probably not very current, and some of
> the stations may no longer be on the air. However, the one on 137 kHz is
> obviously alive and well. Its sidebands are strong enough to cause me
> problems on 136.75 (as if the Loran-C splatter from Baudette, MN isn't
> enough!)
>
> Lyle, K0LR
>
> http://www.computerpro.com/~lyle
>
> "M. Bruno" wrote:
> >
> > The RTTY signal around 137.000 has been copied also in Europe this
> > winter. We presume it is of USA origin. If it is the case it may
> > become an useful propagation indicator. It would be very helpful to
> > locate it ... may any Lowfer take a bearing or at least a signal level ?
> >
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