[Lowfer] VLF this morning in TN

[Douglas D. Williams]

Absolutely, Lee. No guts, no glory! The lower the frequency, the more
interested I become. Build that loop, and share your results.

Doug - KB4OER

On Sat, Jan 28, 2012 at 3:43 PM, Lee <fccpart15 at earthlink.net> wrote:

> 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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