Courtney,
The intruder went permanently QRT at 1546Z yesterday
73
Frank
W3LPL
----- Original Message -----
From: "Courtney Judd" <k4wi@k4wi.net>
To: cq-contest@contesting.com
Sent: Saturday, February 2, 2019 9:57:12 PM
Subject: [CQ-Contest] Fwd: 20m Intruder
yesterday morning it was strong S-9 plus toward 40 deg from west central
Alabama. I could copy it from 13998.3 to 1403.6 and then it dis-appeared
and hasn't been back since. Hard to tell! 73's Cort K4WI
> *From:* Ben Antanaitis - WB2RHM <wb2rhm@wb2rhm.com>
> *Date:* Saturday, February 02, 2019 10:36 AM
> *To:* cq-contest@contesting.com
> *Subject:* [CQ-Contest] 20m Intruder
> All,
>
> I sent a question about the 'bogey' signal over to some of the
> 'numbers stations', SDR signal analysis, Mil-Comms monitoring type of
> groups, yesterday.
>
> I got a reply from one of the groups. That group looked at the signal,
> and recorded it for 'examination, identification, & decoding'
> attempts. The result that came back from them said that this
> signal appeared to be 'a known Canadian Navy signal type and was in
> STANAG 4285 and appears like Thales 3000 modems' No way to tell if
> this was a stationary transmitter or a 'mobile' (water or air).
>
> https://www.rtl-sdr.com/stanag-4285-decoding-with-rtl-sdr/
>
> If mobile, that might be why it might have been in different seeming
> locations. Speculation was also it might have been on a patrol
> routing between NA and Greenland air space.
>
> 73, Ben - wb2rhm
>
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