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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: DK7FC <[email protected]>
Date: Wed, 06 Sep 2017 11:54:48 +0200
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References: <[email protected]>, <[email protected]> <[email protected]>
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Hi Roelof,

Very interesting. It also affects VLF! Clearly visible e.g. at
It happens since about 9 UTC.
Would have been interesting to observe the propagation on 8.27 kHz during that time...

73, Stefan

Am 06.09.2017 11:15, schrieb Roelof Bakker:
Hello all,

Now something different:

It looks like a severe radio black out of HF is ongoing.
I have never seen this before. See attachment.

This is also an opportunity to look at PLC interference at the lower 
bands, which is normally covered by signals.

I checked it on 3 different antennas: mini-whip, loop and 

Roelof, pa0rdt
Middelburg, JO11tm

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