Hi Markus, Stefan EbNauters,
Thanks for the reports and autodetectors. The TX carrier is on
continuously at 50 watts with the excitation XOR phase inverted
by Paul's Ebkey.c on a raspi3.
There have been some daytime decodes recently.
Is the autodetect easy to set up? If not perhaps I'd best
review the advice from you and Stefan again.
73
Joe
On Sun, 16 Dec 2018, Markus Vester wrote:
Hi Stefan,
that's nice! I'm curious what you're going to say ;-)
But why not join me during odd half hours? Two Hz spacing will be enough to
reliably separate our signals, and Jay could look at both our channels in
the same file. And we could leave the even slots to Joe, and anyone else
who might possibly want to transmit towards Europe.
I think Joe has actually left the plain carrier on 137477 during odd slots, but
I think he is far enough from the U.S. east coast to not cause desense there.
Best 73,
Markus
-----Ursprüngliche Mitteilung-----
Von: DK7FC <[email protected]>
An: rsgb_lf_group <[email protected]>
Verschickt: So, 16. Dez 2018 19:20
Betreff: Re: LF: EbNaut 137.542 kHz
Good idea Markus,
I just had the same idea because i found a nice message.
So i'm using the even half hours.
f =137.540 kHz
Start time: 16.DEC.2018 22:00:00.3 UTC (8 hourly repeats)
Symbol period: 1 s
Characters: 34
CRC bits: 3
Coding 8K19A
Antenna current: 4 A
Duration: 30:00 [mm:ss]
73, Stefan
Am 16.12.2018 17:48, schrieb Markus Vester:
TonightI intend to send a number of different EbNaut messages,
commemorating ascientific experiment which ended up changing the world.
Frequency: 137542 Hz
Start times: odd half hours (plus 0.3 s extra delay), Dec 16) 23:30 toDec
17, 6:30 UT
Format: 7 characters, 3 second symbols, 8K19A, CRC 15 (!)
Duration: 30:00 minutes
Radiated power: ~ 0.4 Watts
Best 73,
Markus (DF6NM)
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