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Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests: 6.47kHz

from [Paul Nicholson] [Permanent Link][Original]
To: [email protected]
Subject: Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests: 6.47kHz
From: Paul Nicholson <[email protected]>
Date: Sat, 14 May 2016 10:59:15 +0000
In-reply-to: <[email protected]>
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Stefan wrote:

> f = 6470.00000 Hz
> Start time: 13.05.2016   00:00:02 UTC
> Symbol length: 100 s
> Characters: 6

I haven't been able to decode this one.   The average noise
was 3.7 dB higher than the previous successful message, so
there should still be a couple of dB to spare.

I've tried a wider range of phase search in case the
day/night phase change was more than expected.

So far it seems that 6.47 is more variable and unpredictable
than 8.27 which is opposite to what I'd expect.

--
Paul Nicholson
--
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