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Re: VLF: IW4DXW 8270.003 Hz

from [Riccardo Zoli] [Permanent Link][Original]
To: LF Group <[email protected]>
Subject: Re: VLF: IW4DXW 8270.003 Hz
From: Riccardo Zoli <[email protected]>
Date: Sat, 6 Oct 2018 02:12:49 +0200
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Thanks for report, Paul!
This morning, with the second transmission, I almost hit the "noise hole". Instead, the last one was 80% sent when the rain forced me to shut down the TX: too much kV for a wet and pretty small inverted "L" (12 m high, 36 m long) :-)
I'm looking for a new antenna, inspired by Stefan: near my house, there are two guard rails spaced about 700 m which are of interest for a ground loop experiment.
Stay tuned, as they say :-)


73 de Riccardo IW4DXW

Il Sab 6 Ott 2018, 00:34 Paul Nicholson <[email protected]> ha scritto:
Riccardo wrote:

 > *Start at 00:00 UTC (5 Oct)*
 > *Coding 16K21A*
 > *CRC 16*
 > *20 sec/sym*
 > *6 char*
 > *Duration 6 h, 24 min*

No decode, correlation Eb/N0 = -5.8 dB;

 > A new transmission is starting at *06:30 UTC*.

Decoded, Eb/N0 = -0.3 dB, S/N  -62.61 dB in 2.5kHz;

 > A new transmission is starting at *13:00 UTC*.

No decode on this one.

--
Paul Nicholson
--

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