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Message-ID: <58AF273B.6020800@posteo.de>
Date: Thu, 23 Feb 2017 19:17:31 +0100
From: DK7FC <selberdenken@posteo.de>
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References: <CAGZ2MyYDKx5B6HSg1Z7XeoWZigvDgVS8XLT82A1aXW6ogFxFqg@mail.gmail.com> <CAGZ2MyYvXEd4AoA2Evx+DDiCXJLMtcFvuE==LTxg=dEt4xXSww@mail.gmail.com> <58A6E5B8.6080007@posteo.de> <1487334367.396640876@f56.i.mail.ru> <58A6F8AF.70304@posteo.de> <58A8185E.600@posteo.de> <58A94DB4.7020005@posteo.de> <3ad8f7b7-5cbc-10c6-6816-a382ef25b29f@psk31.plus.com> <5F78A5280BA3412B9829C1E042E77593@AGB> <58A9A118.7050000@posteo.de> <OLNYV6$32689ED30984E988EAE91B325CCC8087@ik0vve.net> <58AAFE11.4060305@posteo.de> <OLP3BQ$C3FB68B3CBF9C6F86838A1F1078293F5@ik0vve.net> <58AC3E1C.8020800@posteo.de> <58ADAE49.6040608@posteo.de> <58ADE1B8.10009@posteo.de> <454f12d8-e89e-9f67-81fa-7de7891eefd1@psk31.plus.com> <58AED3A0.7010706@posteo.de> <alpine.DEB.2.11.1702231345090.642@mailn.lipkowski.org> <58AEDCFC.9080202@posteo.de> <58AF25B4.80304@posteo.de>
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Subject: Re: VLF: New EbNaut announcement II
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Hmm, i just see that 18*3600/27=2400, so it should have started at 
18:00:00 exactly. Odd. But we will see, maybe you have to play a bit 
with the time offset +- a few seconds...

73, Stefan

Am 23.02.2017 19:11, schrieb DK7FC:
> VLF,
>
> Again, despite the stormy wx:
>
> *f = 8270.100000 Hz
> Start time: 23.Feb.2017   17:59:58 UTC
> Symbol period: 27 s
> Characters: 10
> CRC bits: 15
> Coding 16K21A
> Duration: 11h, 24m, 0s
> Antenna current: 700 mA*
>
> Already running. Due to the 27s symbol length it was not possible to 
> start at 18:00:00 exactly. I checked the actual start on another PC. A 
> carrier was started 5 minutes before. The first phase switch appeared 
> 2 seconds before the intended time, see attachment...
>
> 10 characters at 16K21A is the limit for my PC (Win7 32-bit 4 GB RAM). 
> I hope that yours is more modern. At least i know it from Paul, Jacek 
> and Alex :-)
>
> For safety reasons i set the safety limit to 20 mA, i.e. the 
> transmission will be stopped if the antenna current falls below 680 mA 
> for 3 seconds.
>
> 73, Stefan

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Hmm, i just see that 18*3600/27=2400, so it should have started at
18:00:00 exactly. Odd. But we will see, maybe you have to play a bit
with the time offset +- a few seconds...<br>
<br>
73, Stefan<br>
<br>
Am 23.02.2017 19:11, schrieb DK7FC:
<blockquote cite="mid:58AF25B4.80304@posteo.de" type="cite">
  <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
VLF, <br>
  <br>
Again, despite the stormy wx:<br>
  <br>
  <big><b>f = 8270.100000 Hz<br>
Start time: 23.Feb.2017   17:59:58 UTC<br>
Symbol period: 27 s<br>
Characters: 10<br>
CRC bits: 15 <br>
Coding 16K21A<br>
Duration: 11h, 24m, 0s<br>
Antenna current: 700 mA</b></big><br>
  <br>
Already running. Due to the 27s symbol length it was not possible to
start at 18:00:00 exactly. I checked the actual start on another PC. A
carrier was started 5 minutes before. The first phase switch appeared 2
seconds before the intended time, see attachment...<br>
  <br>
10 characters at 16K21A is the limit for my PC (Win7 32-bit 4 GB RAM).
I hope that yours is more modern. At least i know it from Paul, Jacek
and Alex :-)<br>
  <br>
For safety reasons i set the safety limit to 20 mA, i.e. the
transmission will be stopped if the antenna current falls below 680 mA
for 3 seconds.<br>
  <br>
73, Stefan<br>
</blockquote>
</body>
</html>

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