Re: LF: LF tonite

["Alan Melia" <alan.melia@btinternet.com>]

Hi John
Most of the upper run of "dashes" have an interesting "hook" in the last 1/3 
of the dash. Almost what my agricultural locals would call a 
"bill-hook".....quite consisent too unlike sporadic interference.
Alan
G3NYK
----- Original Message ----- 
From: "John Andrews" <w1tag@charter.net>
To: <rsgb_lf_group@blacksheep.org>
Sent: Monday, March 30, 2015 11:00 PM
Subject: Re: LF: LF tonite


> Markus,
>
> > Wonder what the little dash below Stefan's "F" was... possibly local QRM
> > from some MFSK PLC system? We sometimes seem to find a number of
> > unexplained scattered dashes on North American QRSS spectrograms.
> I watched the entire band for a while this afternoon, and homed in on
> the 136.552 kHz frequency range below, after seeing some "dash"
> activity. Interesting.
>
> John, W1TAG