Be sure you have "deep search" turned off!!! You'll get all kinds of weird
calls if that is turned on.
Terry Price - W8ZN
On Mon, Jan 20, 2020 at 1:40 PM Gregory Winters <greg_winters@hotmail.com>
wrote:
> Running MSK441 on 6m as a rx-only reverse beacon I would every week or so
> decode a call from places as far as Albania, not making much sense as my
> lousy moxon wasn't even up 20ft here (not even above roof level) down in
> the Willamette Valley in SW Washington state. Normally I'd be lucky to
> decode MSK from Vancouver Island BC.
>
> Lots of gibberish was also decoded over the few months I let it run.
>
> Did you switch back on FT8 from NA Contest Mode when the contest was over?
>
> Greg, K3RW
>
> Get Outlook for Android<https://aka.ms/ghei36>
>
> ________________________________
> From: VHFcontesting <vhfcontesting-bounces+greg_winters=
> hotmail.com@contesting.com> on behalf of Alexander Svirsky <
> as@shawsheen.com>
> Sent: Monday, January 20, 2020 10:09:30 AM
> To: vhfcontesting@contesting.com <vhfcontesting@contesting.com>
> Subject: Re: [VHFcontesting] Weird ft8 contact on 2M. Did anyone else see
> it?
>
> Paul, I'm sure you're talking about a weird FT8 reception and not a 2-way
> QSO.
>
> I have also seen something like this happen. Last summer when I left
> the radio and the computer on overnight after a contest I apparently
> received one side of a QSO attempt in the South Pacific, on 432 IIRC.
> I have no explanation for this.
>
> My WSJT-X installation on Linux apparently by default saves a sound
> recording of every 15-second window, and it saves a log of all
> messages received and sent. I have set aside the sound samples and log
> entries of that reception.
>
> Perhaps you also have the sound samples and original log entries for
> your reception. Check you WSTJ-X folders to see if you have them. I'm
> not sure how to recreate them easily as WSJT-X "playbacks" to see what
> really happened. I've thought about dedicating a computer and radio to
> just logging VHF FT8 freqs for crazy receptions like this, but I'm
> sure the sound files would eat up disk space quickly.
>
> I don't think we're seeing a software issue. The message wasn't random
> and the grid square and the calls received make sense. I suspect that
> VHF freqs sometimes bounce and propagate in unexpected ways and the
> FT8 algorithm may be sufficient to decode a mouse fart on the other
> side of the planet.
>
> Alexander N1PRW
>
> _______________________________________________
> VHFcontesting mailing list
> VHFcontesting@contesting.com
> http://lists.contesting.com/mailman/listinfo/vhfcontesting
> _______________________________________________
> VHFcontesting mailing list
> VHFcontesting@contesting.com
> http://lists.contesting.com/mailman/listinfo/vhfcontesting
>
_______________________________________________
VHFcontesting mailing list
VHFcontesting@contesting.com
http://lists.contesting.com/mailman/listinfo/vhfcontesting
|