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Re: VLF: EbNaut tonite

To: [email protected]
Subject: Re: VLF: EbNaut tonite
From: Paul Nicholson <[email protected]>
Date: Wed, 24 May 2017 04:19:56 +0000
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A couple of easy decodes of the very strong signal
from Stefan.

Stefan wrote:

> f = 8270.100000 Hz
> Start time: 22.May.2017   20:00:00 UTC
> Symbol period: 20 s
> Characters: 12
> CRC bits: 3
> Coding 16K21A

Eb/N0 8.5 dB.
BER 18.6 %.
constant reference phase.
carrier S/N 26.86 dB in 32.9 uHz,
           -17.97 dB in 1Hz,
           -51.95 dB in 2.5kHz.

> f = 8270.100000 Hz
> Start time: 23.May.2017   18:00:00 UTC
> Symbol period: 40 s
> Characters: 4
> CRC bits: 3
> Coding 16K21A

Eb/N0 12.6 dB.
BER 16.0%.
constant reference phase.
carrier S/N: 26.16 dB in 33.2 uHz,
            -18.63 dB in 1Hz,
            -52.61 dB in 2.5kHz.

--
Paul Nicholson
--

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