[Lowfer] VLF VTX

[jrusgrove at comcast.net]

Garry

Interesting to compare notes.

Surprisingly there's no trace of NWC 19.8 kHz so far tonight ...which is unusual as it's normally 
always in at this time. VTX is beginning to fade (the opening is fairly short) and JXN fired up 
since that screen shot and is painting a thick red line. The Alphas are all in the red now as well. 
Been trying for a JJY evening reception for a couple weeks but so far little joy. It's starting to 
pop out of the noise but I think an evening ID may be elusive.

Tacamo just fired up ... http://www.w1vd.com/capture/VLF020811A.gif .

Noise is a real problem ... I'm lucky to have a 'natural' noise floor most of the time ... although 
it did require a number of noise mitigation techniques. There is a noise source thats pops up once 
or twice a day but only hangs around for 20 - 30 minutes. It's not locally generated and is of short 
enough duration I haven't been able to DF it down.

JR


----- Original Message ----- 
From: "Garry Hess" <k3siw at sbcglobal.net>
To: <lowfer at mailman.qth.net>
Sent: Tuesday, February 08, 2011 5:51 PM
Subject: Re: [Lowfer] VLF VTX


> Very nice panoramic view of VLF Jay. Here I'm seeing the signals your
> capture shows at least well enough to detect, except VTX. GQD on 19.6
> kHz is in there decently, NWC on 19.8 kHz is quite good, and a line at
> 16.4 kHz is showing that probably is JXN. Sunset isn't until 2316Z so if
> the 60 Hz harmonic noise holds off perhaps VTX will be apparent. Rats,
> at 2249Z someone just turned on their noise generator. Oh well, there's
> always tomorrow.
>
> 73, Garry, K3SIW, EN52ta, Elgin, IL
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