Hi Laurence,
That seems like a plausible explaination. They were fairly
srong on the argo plot. This is the first time they've been
seen here -- I initially thought it was another new mode.
73
Joe
On Thu, 20 Dec 2012, Laurence KL1 X wrote:
I get them here too occasionally - but I dont know if they are assosciated with the AC
PLC using "Turtles" which produce constant circa 2Hz clacking noises on LF and
MF up to 1.6MHz Laurence KL 1 X
> Date: Thu, 20 Dec 2012 14:57:35 -0330
From: [email protected]
To: [email protected]
Subject: Re: LF: Horray!!
Thank-you Markus,
Yes, these little dashes are strange aren't they? Perhaps someone
on the Reflector could enlighten us. They were quite strong on
an argo plot from the night before.
73 Joe
On Thu, 20 Dec 2012, Markus Vester wrote:
Joe, Stefan, well done both!
Joe I'm still curious about the many short dashes in your wspr spectrogram,
which look like some multitone data transmission. Could those be some form of
powerline communication?
Best 73,
Markus
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