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Re: LF: aurora propagation

To: "RSGB LF group" <[email protected]>
Subject: Re: LF: aurora propagation
From: "peter cleall" <[email protected]>
Date: Wed, 17 Nov 1999 16:00:27 -0000
Reply-to: [email protected]
Sender: <[email protected]>
Steve,
slightly earlier in the evening I heard wideband noise across the LF band. I
can best describe it as like bacon and eggs frying in a pan. I have now
heard this 3 times in the last year and each time it seems to coincide with
major geomagnetic activity.
At 18.00 my neighbour switched on his TV and I had to switch from the long
wire to my indoor frame. This still does not mask the local noise
sufficiently to give any meaningful low noise results but does allow me to
hear the stronger stations on the band.

Location Yeovil in Somerset.

regards

peter G8AFN

-----Original Message-----
From: Steve Rawlings <[email protected]>
To: [email protected] <[email protected]>; Steve Baugh
<[email protected]>
Date: 17 November 1999 08:41
Subject: Re: LF: aurora propagation


On Tuesday evening, 16th November 1999, Rik ON7YD wrote:

Strong aurora is reported on 50MHz and 144MHz, last winter this was often
a
sign for good propagation on 136kHz in northern directions !
So if QRN is not too bad this might be a good evening on LF.

16th November:08:15 G4GVC (sent 589; received 5 7/8 9)
19:51 EI0CF (579; 449)
20:21 GI3KEV (589; 559)
20:35 OH1TN (569; 339)
20:58 HB9ASB (569; 459)

When I arrived home from work at 18:30 UT, I listened briefly to 136 kHz
before
our evening meal.  I heard a very strange noise across the whole of the 136
kHz
band.  It sounded rather like a mixture of
cross-modulation/inter-modulation
plus Luxembourg Effect.  But dinner was waiting, so I could not consider
the
matter further.

Later in the evening the strange noise had disappeared, and had been
replaced
by very low QRN and lots of amateur signals.  I worked Finbar on my 12 m
vertical, and then heard OZ5N at S7.  The air was still, so I inflated some
balloons quickly, and got my 20 m vertical flying.  I didn't work either of
the
OZs, but did manage fine QSOs with Mal; Reino; and Toni.

I did not read Rik's Email until later that evening, but conditions did
appear
to be above average, with low QRN.  Did anyone else hear any 'strange
noise' at
about 18:30?

Regards to all,
Steve GW4ALG





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