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Re: LF: 137kHz Transatlantic QSO

To: [email protected]
Subject: Re: LF: 137kHz Transatlantic QSO
From: [email protected]
Date: Thu, 7 Mar 2019 18:20:03 -0330 (NST)
In-reply-to: <[email protected]>
Ironport-sdr: cwbfqqh3htIRUjl/qBCcoP19uy2LMZ+KjlIGGSmkU6ZW8CgKlPoFPOLy5kzxpk5rnCEeUHshUN QckgMWDSz096IZr15Z3FLJEb+fnr6rINCUE7yaldb9+sk6qabiUtEdfE1veCdfLVdeCgvKeu2n YYe4qIfGiElAs5YMsiub8f4i/jTmOx0RSqP0ewEVKY4al7s/vPKEq+L0O42ivO5zx0eUI05aPV bpPnuBsz/KoQhxPnNkUc4mZXwNDYRAi70SK6MWzJIL5p0NBaUTZzWpe2h9XOH67owpusYwUoGz zHE=
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Hi Stefan,

At the moment, it is just the carrier but a message can be sent by
removing the '%'s from lines 2 and 3 in one of the SL tables.
The symbol lengths have to be set correctly.

I drive past the Ground Loop from time to time. It will be nice to have
a 100W TX that can be used in the car.  Ground rods will be needed
on each end.  It's fun to think about this project...

Keep up the great work on ULF!

73
Joe VO1NA

On Thu, 7 Mar 2019, DK7FC wrote:

Hello Joe,

Am 07.03.2019 18:02, schrieb [email protected]:
transatlantic VLF service has been restored
that sounds good :-) Can you tell us what you're transmitting, and when? Is it a carrier all the time?
I should have a look at it.
And what about your new VLF antenna, i mean the ground loop? :-)

73, Stefan

73
Joe VO1NA

On Thu, 7 Mar 2019, Markus Vester wrote:

Very nice, a well deserved success for both of you. In this context we should mention that G0MRF was one of the first Peter Bobek Award winners.

Congratulations!

Markus (DF6NM)


-----Ursprüngliche Mitteilung-----
Von: David Bowman <[email protected]>
An: rsgb-lf-group <[email protected]>; rsgb_lf_group <[email protected]>
Verschickt: Do, 7. Mrz 2019 2:12
Betreff: LF: 137kHz Transatlantic QSO

I was very pleased this evening 06/March/19 to complete a JT9-1 QSO with Paul N1BUG on 137kHz.Paul and I have been trying almost nightly for the past 3 weeks overcoming many problems along the way.Finally we succeeded, with reports of -21 for me, while N1BUG was -27 in IO91FR (4842km)I should also like to say thanks to Rik ON7YD. A few days ago I downloaded SlowJT9 v0.9.16.0. I ran this, with "multiple decodes" switched on and had WSJT-X running parallel. During the 12 minute QSO, SlowJT9 decoded 5 sequences from Paul at -27 while WSJT-X missed 2 of the 5. Both programmes reported the same signal levels. Audio for transmit was taken from WSJT. - Rik. I have saved the decoded files as you requested. when I find out where they are, I will forward them to you. Since making a crossband TA QSO (137k to 14MHz) in Sept 2000, a 2-way QSO has been a long term ambition. This is one ticked off the bucket list. Thanks Paul for the dedication and perseverance.

73

David  G0MRF


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