[Lowfer] VLF this morning in TN

[Lee]

Cool beans. That motivates me to start building my shielded loop ant. 
Lee


-----Original Message-----
>From: "Douglas D. Williams" <kb4oer at gmail.com>
>Sent: Jan 28, 2012 5:33 AM
>To: "Discussion of the Lowfer (US, European, &amp,
>	UK) and MedFer bands" <lowfer at mailman.qth.net>, rsgb_lf_group at blacksheep.org
>Subject: [Lowfer] VLF this morning in TN
>
>Thought I would take a look at what was going on in the VLF spectrum this
>morning here in TN. I first looked at 0-48 kHz, but immediately noticed
>that I could only see two signals above 27kHz, and no manmade signals
>(except power line harmonics) below 16kHz, so I took a screen capture of
>the spectrum from 16-27kHz, where most of the activity was concentrated, so
>that the signals are spread out more on the screen capture for better
>identification.
>
>http://dl.dropbox.com/u/33457409/VLF%283%29.jpg
>
>
>>From left to right we first see (and I am going only by the station ID
>markings on the Spectrum Lab screen) HWU on 18.3kHz in Rosnay, France. Next
>we see NWC on 19.8kHz in Australia. I'm sure they will be happy to know
>that their million watt signal is coming in nicely. Then it seems I was
>fortunate enough to catch RJH6X transmitting what appears to just be a
>carrier on 20.5kHz. Spectrum Lab IDs this as a Russian station, sporadic.
>The signal is now gone as I type this. Going a bit higher in frequency, we
>see FTA on 20.9kHz which SL IDs as coming out of France. Next is NPM on
>21.4kHz transmitting out of Hawaii. Next up is GQD on 22.1kHz, located in
>Anthorn, UK. I imagine you folks in RSGB receive that one a bit better than
>I do. Then we have DH038 on 23.4kHz which is located in Germany. The next
>three signals you see are "local" (meaning continental U.S.) stations, NAA,
>NLK, and NML on 24, 24.8, and 25.2kHz.
>
>This was using an active e-probe through a 50kHz LPF into a computer sound
>card. Timestamp is in UTC.
>
>I think it would be interesting to compare this to a screenshot of the same
>frequency range taken from one of you gentlemen across the pond.
>
>
>Best 73,
>Doug KB4OER
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