Re: [IRCA] New Chinese Pulse-Type Jammer on 1566?

[d1028gary@xxxxxxxxxxx]

Nick and Bruce, 

Thanks for your comments on the 1566 signal. 

Nick, I also noted the nosedive in HLAZ's signal after 1300, along with the mystery interference. The high band Asians in general tapered off after 1300 here, with weaker signals on 1575 and 1593 also fizzling out. As for the interference, I'm sure that it will be a primary focus of attention in searches tomorrow morning, both here and elsewhere. 

Bruce, I also occasionally have electrical noise here affecting the high band, but the pulse-type 700 Hz tone every 2 seconds on HLAZ's signal sounded completely different than either electrical noise or 1560 splatter (which always has a harsh crashing sound, with higher frequency audio). The interference noise sounds almost high fidelity, in comparison to either of those sounds. 

73, Gary 


----- Original Message -----

From: "Bruce Portzer" <bportzer@xxxxxxxxxxx> 
To: "irca" <irca@xxxxxxxxxxxxxxxx> 
Sent: Monday, September 19, 2016 10:43:08 AM 
Subject: Re: [IRCA] New Chinese Pulse-Type Jammer on 1566? 

Gary 

Maybe it's splatter from your South Asian local on 1560? Perhaps a percussion instrument was making its existence known all the way to 1566. Further checking at other times tomorrow may tell more. 

I get electrical buzzsaw noise on 1566 and 1575 at the moment, so I'm doing well just to hear HLAZ and VOA. 

Bruce 

----- Original Message ----- 

From: "Nick Hall-Patch" <nhp@xxxxxxxx> 
To: "Mailing list for the International Radio Club of America" <irca@xxxxxxxxxxxxxxxx> 
Sent: Monday, September 19, 2016 9:33:29 AM 
Subject: Re: [IRCA] New Chinese Pulse-Type Jammer on 1566? 

No time to really DX right now Gary, but I did check at 1300UT, and 
there wasn't anything untoward heard here on 1566 at that 
time. There were a couple of other weaker carriers with a few Hertz 
of HLAZ, and HLAZ' audio dropped like a stone right across the hour, 
so Murphy was hard at work. Will keep an ear out for the interference though. 

best wishes, 

Nick 

At 15:08 19-09-16, you wrote: 
>Heard for the first time this morning was a new type of pulsing 
>jammer on 1566-HLAZ's signal (at 1300 UTC), which obviously wasn't 
>part of the Japanese service programming (fading in and out at 
>different times than HLAZ). Has anyone else noticed this? 
> 
>https://app.box.com/s/7q4zbzoj1la7e5jj04tehz74vlm3ujk4 
> 
>Gary DeBock (in Puyallup, WA, USA) 
>7.5" loopstick C.Crane Skywave Ultralight + 15" FSL antenna 
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Nick Hall-Patch 
Victoria, BC 
Canada 

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