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Re: VLF: EbNaut tonite

To: [email protected]
Subject: Re: VLF: EbNaut tonite
From: g3zjo <[email protected]>
Date: Fri, 7 Apr 2017 19:11:10 +0100
In-reply-to: <[email protected]>
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My EbNaut was up and running in time to produce a file, when it didn't decode, I was frustrated.

Ready for the next one.

73 Eddie G3ZJO


On 07/04/2017 10:49, DK7FC wrote:
Hi Paul,

Many thanks! However something went wrong again, the safety function was triggered after about 3 hours! So just 1/3 of the symbols were transmitted. Anyway a big Eb/N0 on your side, excellent! Could it be a faulty segment of the coil, that causes a temporary antenna current decrease? It is a new phenomenon on that coil. It could be also due to the higher ambient temperature under the new housing. I will see wat happens in the next days. With 1/3 of the symbols beeing sent, there will be no decode near Moscow i assume...

73, Stefan

Am 07.04.2017 10:23, schrieb Paul Nicholson:

Stefan wrote:

> f = 8270.100000 Hz
>
> Start time: 6.Apr.2017   ...
> ..the start time was delayed to 18:35 UTC
>
> Symbol period: 30 s
> Characters: 5
> CRC bits: 16
> Coding 16K21A
> Duration: 8h, 48m

A good decode here as usual:

 carrier Eb/N0: 7.0 dB
 carrier S/N: 21.58 dB in 31.6 uHz

--
Paul Nicholson
--





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