HFU HF Underground

Loggings => HF Mystery Signals => Topic started by: ~SIGINT~ on June 21, 2022, 0017 UTC

Title: 29B6 Russian Container Radar 6986 to 7002 kHz 0000 UTC 21 JUN 2022
Post by: ~SIGINT~ on June 21, 2022, 0017 UTC
UNID Wideband 6986.0 to 7002.0 kHz 00:00 UTC 21 JUNE 2022

I found a new piece of wideband nastiness this evening which sprawls from approx 6986 to 7002 kHz. The signal can also be observed on some of the WebSDRs, including the HFU.

(http://www.milspec.ca/board/img/2022-06-20_200045.png)
(http://www.milspec.ca/board/img/2022-06-20_201959.png)

UNID Wideband 6986 to 7002 kHz 0000 UTC 21 JUN 2022 MP3 Recording (http://www.milspec.ca/board/media/SDRuno_20220620_201549_6995000HZ.mp3)

~SIGINT~
Title: Re: UNID Wideband 6986 to 7002 kHz 0000 UTC 21 JUN 2022
Post by: Skipmuck on June 21, 2022, 0042 UTC
0040 UTC I have this here also with an S8 signal. I believe this is Over the Horizon Radar, possibly of the Pluto 2 type, but could be Chinese.
Title: Re: UNID Wideband 6986 to 7002 kHz 0000 UTC 21 JUN 2022
Post by: Radio_El_Es on June 21, 2022, 0049 UTC
indeed sounds nasty. Over the horizon radar possibly?  Sounds similar.
Title: Re: UNID Wideband 6986 to 7002 kHz 0000 UTC 21 JUN 2022
Post by: Token on June 24, 2022, 2107 UTC
This is an OTHR, but not PLUTO 2.  PLUTO 2 does not go below 8000 kHz.

This is the Russian 29B6 Container radar.  The actual modulated width is fairly narrow, only about 14 kHz.  However, it is FMOP vs the FMCW of some other radars, so there is more splatter invovled.

29B6 started on that frequency, on 20 June, at about 2300z, and went off that freq at about 0220z, on 21 June.

T!