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From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <4EFCEBB6.2080309@legal-medicine.de>
Date: Thu, 29 Dec 2011 23:09:15 -0000
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Subject: LF: Re: OT: annual plots of hga22
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Hi Peter thanks for that, I suspect they are not quite so much use in that
format. Do you still have the raw Spectrumlab data?? I think that will be
enormous but it is the only way to compare a day against solar activity
indexes. I am rather interested in daytime levels through the rising part of
the cycle but didnt get set up here....sheer lazyness :-))

You are a little closer to HGA22 than me so are getting more ground wave.
The ground wave here is much weaker than the daytime skywave. I did see some
interesting daytime variations around Sept 2009, when I did a 3 onth run
until we got a power failure. Also that PC was not a good time
keeper....probably because is was a slow one and SL was using a lot of
resources.

Best Wishes
Alan G3NYK

----- Original Message ----- 
From: "pws" <pws@legal-medicine.de>
To: <rsgb_lf_group@blacksheep.org>
Sent: Thursday, December 29, 2011 10:37 PM
Subject: LF: OT: annual plots of hga22


> Hi,
>
> May be this could be of interest to those involved in
> propagation effects at 2200m of wavelength.
>
> I'm observing hga22 ("space"-frequency) since May 2010.
> Bearing from here is ~SE, distance ~1001 km.
>
> Annual plots of field strengths:
> http://df3lp.de/misc/hga22/hga22_2010.png
> http://df3lp.de/misc/hga22/hga22_2011.png
>
> Antenna: 30cm ferrite rod, RX: MV61 Selective Level Meter,
> frequency locked to 135.43 kHz, 100 Hz of bandwidth.
>
> To wipe out the FSK I'm using a running median filter of 1 min.
>
> Longitude of RX is ~10.1E, so the sidereal time lag to UTC
> should be approx. +40min.
>
> That antique system refuses to die obstinately since >12 years.
> "First Light" was in 1999 receiving 75 kHz on the occasion of
> a solar eclipse: http://df3lp.de/misc/eclipse/eclipse_1999.png
> So I will keep it running until...
>
> Peter, df3lp,
> Kiel, North Germany
>
> PS: Merry Xmas and Happy New Year!
>