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Re: VLF: Transatlantic success East to West

To: [email protected]
Subject: Re: VLF: Transatlantic success East to West
From: Paul Nicholson <[email protected]>
Date: Thu, 21 Dec 2017 18:41:32 +0000
Cc: Michael Smith <[email protected]>
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Stefan wrote:

> f = 17470.1000 Hz
> Start time: 18.Dec.2017  21:30:00 UTC
> Symbol period: 45 s
> Characters: 2
> CRC bits: 14
> Coding 16K21A

After 3 nights:

 18/19th Eb/N0 = -4.9 dB, S/N -39.6 dB in 1Hz, phase 110.4
 19/20th Eb/N0 = -6.5 dB, S/N -41.1 dB in 1Hz, phase 125.6
 20/21st Eb/N0 = -7.8 dB, S/N -42.4 dB in 1Hz, phase -22.5

Stacking 18/19 + 19/20 gives Eb/N0 = -2.7 dB.

--
Paul Nicholson
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