[Boatanchors] All boatanchors defeated. What was it?

[Dale Parfitt]

The watering hole for FT-8 is 7040KHz.

Dale W4OP


-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Rob Atkinson
Sent: Sunday, October 15, 2017 9:36 PM
To: McDonald, J Douglas
Cc: Boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] All boatanchors defeated. What was it?

I wonder if it was that new digital mode FT8 or something.

Rob
K5UJ

On Sun, Oct 15, 2017 at 8:19 PM, McDonald, J Douglas <jdmcdona at illinois.edu>
wrote:
> I'm a listener only on my boatanchors.
>
> Tonight all of them were totally defeated. Up until right now, 755 PM 
> CDT, there was some something going on on 40 meters, between roughy 7020
and 7025 kHz CW.
> I abruptly stopped.
>
> A smaller version continues on 7010-7013.
>
> Every few seconds a dense cluster of CW signals appeared, sending call 
> signs, then stopping all dead. They were typically 100 Hz apart, not 
> on a grid, so some were as close as 25 Hz.
>
> Even the R390a with at 100 hZ and the audio filter could nowhere near 
> separate them .. and my ear barely could even with that help.
>
> My Airspy at 40 hZ bandwidth and 1000 order filter could do the job,
barely.
> At 40 Hz ringing got fairly bothersome at the high speed.
> These had to be computer generated signals because of the time clustering.
>
> Some sort of contest?
>
> A new fad?
>
> Doug McDonald
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