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RE: LF: Solar Activity

To: [email protected]
Subject: RE: LF: Solar Activity
From: "James Moritz" <[email protected]>
Date: Thu, 30 Oct 2003 14:41:24 -0000
Importance: Normal
In-reply-to: <[email protected]>
Organization: University of Hertfordshire
Reply-to: [email protected]
Sender: <[email protected]>

PA0SE wrote:

Yesterday at 2030 UTC I had a QSO on 80 metres with PA0HRT (over 190km) and PA0HRP (over 54km), the latter on his motorboat.
After some 15 minutes the signals suddenly almost disappeared; we had just time to agree to QSY to 160 m….

Dear Dick, LF Group,


There was a further X10 flare at almost exactly that time – but it seems surprising to me that a flare could have such an immediate effect after sunset – although perhaps the F layer would still be in sunlight at 2045utc?


I have not looked at my overnight 137kHz screen captures yet, but listening briefly last night, there seemed to be remarkably little QRN on the band apart from some occasional loud crashes which I took to be local thunder activity. There were also fewer and weaker spectral lines around the 137.77kHz region compared to usual.


Cheers, Jim Moritz

73 de M0BMU

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