Gesendet: Dienstag, 12. Januar 2010 05:49
An: digitalradio@yahoogroups.com
Betreff: Re: [digitalradio] Mystery signal on 75M
OK, I was thinking of the narrow bandwidth WinDRm and even better FDMDV that
we used until it was discovered we were using a proprietary codec. DRM for
HF broadcast really
Richmond
To: digitalradio@yahoogroups.com
Sent: Monday, January 11, 2010 7:55 PM
Subject: Re: [digitalradio] Mystery signal on 75M
Sure is. See the Wiki:
http://en.wikipedia.org/wiki/Digital_Radio_Mondiale
Also see the complaints!
http://www.mail-archive.com/hard-core...@hard-core
://www.radioworld.com/article/8714
Cortland
KA5S
- Original Message -
From: J. Moen
To: digitalradio@yahoogroups.com
Sent: 1/11/2010 10:41:14 PM
Subject: Re: [digitalradio] Mystery signal on 75M
Is DRM that wide?
- Original Message -
From: Cortland Richmond
To
Is DRM that wide?
- Original Message -
From: Cortland Richmond
To: digitalradio@yahoogroups.com
Sent: Monday, January 11, 2010 5:48 PM
Subject: RE: [digitalradio] Mystery signal on 75M
There's some European DRM broadcasting in that range.
Cortland
> [
There's some European DRM broadcasting in that range.
Cortland
> [Original Message]
> From: jhaynesatalumni
> To:
> Date: 1/11/2010 8:27:07 PM
> Subject: [digitalradio] Mystery signal on 75M
>
> I was listening on the top end of 75M this afternoon about 4PM
> CST
I was listening on the top end of 75M this afternoon about 4PM
CST and heard a strange wideband signal, sounded a little bit like
rushing wind. Brought up a digital waterfall and found that it
extended from 3990.15 to 3997.85. The waterfall display was rather
blotchy, suggesting some internal str
Hi Jerryyou are seeing WSJT JT65A...a weak signal mode that was
origionally made for EME work and has become a very widely used mode on
HFthere are many stations worldwide using it as a DX mode.
in my mornings around 2030z to 2200z i often work stations in USA while
in my evenings 07
There is a digital mode on 14.076 that I can't Identify. It sends a single tone
at a time, not a pair, and is about 180 hz wide. The tones don't sound like a
version on MFSK, Throb, Domino or any of the other common systems.
Jerry - W6LQR
_
Hi
I think it is jt65a.
This was posted on "[EMAIL PROTECTED]" a few days ago:
-
"Hi gang.
I am on 14.076 mhz usb usint jt65a and 200 watts time utc 10:00
Anyone out there
73’s de tf3tty"
-
73 de LA5VNA Steinar
Andrew O'Brien wrote:
>
> That mystery signal is active again on 14078
That mystery signal is active again on 14078 this morning , 1200 UTC.
Andy k3UK
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