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Re: LF: HF Radio black out / also on VLF!

To: [email protected]
Subject: Re: LF: HF Radio black out / also on VLF!
From: "P. W. Schnoor" <[email protected]>
Date: Wed, 6 Sep 2017 19:02:57 +0200
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Hi Rik,

Yes; impressive.

You wrote:
...
    seems to be a X10 flare, it has been a while that we had such a strong
    flare
...
See: http://lf-radio.de/cgi-bin/test/show_wf.cgi?date=17-09-06

May be the strongest flare since 2005 (>x15) ?

I remember the huge flare (>X30) at 2003-11-04 around 20:00 utc:
http://lf-radio.de/hbg/2003-11-04.png

At that time satellite sensors saturated and the peak strength could be estimated only by phase measurements of VLF signals.
Peter, df3lp

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