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Re: VLF: 300 mA on 6470 Hz

from [DK7FC] [Permanent Link][Original]
To: [email protected]
Subject: Re: VLF: 300 mA on 6470 Hz
From: DK7FC <[email protected]>
Date: Fri, 06 Oct 2017 16:32:45 +0200
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Hi Paul,

The QRN is amazingly low these days at day-time. Let's try to do the 100 character experiment this weekend. With some luck, just 2 days could work?

f = 6470.1000 Hz
Start time: 07.October.2017  06:00:05 UTC (daily)
Symbol period: 7 s
Characters: 100
CRC bits: 8
Coding 8K21A
Duration: 9h46min08sec
Antenna current: 300 mA

A 7 second symbol length is a bit strange but i think it makes no sense to start before 6 UTC and i need to change the settings before the night transmission begins at 16 UTC. Also the start time is strange but once Markus mentioned that SpecLab orients to integer multiples of 7 seconds starting from 00:00:00 UTC. I will check if the transmission worked well from a recording from the tree...

Busy days here...

73, Stefan

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