[Lowfer] Wideband signal on 135.95 kHz

[David L. Wilson]

Currently I cannot hear NLK on 24.8.  Probably filling in for it.

--
David L. Wilson
dwilson314 at verizon.net


> -----Original Message-----
> From: Lowfer [mailto:lowfer-bounces at mailman.qth.net] On Behalf Of Garry
> Hess
> Sent: Friday, September 11, 2015 1:17 AM
> To: lowfer list
> Subject: Re: [Lowfer] Wideband signal on 135.95 kHz
> 
> Thanks for the confirmation John. I see it via both my eprobes and a loop
so I
> was certain it wasn't locally generated. Bandwidth is about
> +/- 100 Hz and it looks like a 200 baud DGPS signal but of course
> doesn't decode. It may be some encrypted modulation like used by the Navy
> for NAA, etc. below 30 kHz. I didn't know NPG was on any other frequency
> than 55.5 kHz. I logged it there in 2011 and found it back on testing a
carrier
> May 22, 2015. A Google search shows that very long ago NPG indeed
> transmitted on 135.95 kHz
> (http://lists.amrad.org/pipermail/tacos/1998/000479.html). The other 2
> stations mentioned in that URL aren't consistent with the headings we're
> seeing for it. It really doesn't bother WSPR reception around 137.5 kHz
(but
> tonight's storms certainly do here!).
> --
> 73, Garry, K3SIW, EN52ta, Elgin, IL
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