Re: [IRCA] South Korean MW Jamming

["Chris Kadlec" <beaglebass@xxxxxxxxxxxxxx>]

In regards to the type of jamming on 1566, if it was indeed jamming, I can't 
really answer that. I suspect that they were using dead air on 810 to jam as 
the audio was muddy but it was still understandable. The intelligence 
service is largely half-incompetent as it is with these jammers. I've 
watched them mess around for the longest time. I don't think they have 
high-tech jamming that would do what you said, nor do I believe North Korea 
would either.

If you had actual audio of what you're describing, maybe that would change 
my thinking, but it's a tough call on that one.

-Chris Kadlec


> Date: Fri, 02 Dec 2016 17:59:56 +0000
> From: Nick Hall-Patch <nhp@xxxxxxxx>
> To: Mailing list for the International Radio Club of America
> <irca@xxxxxxxxxxxxxxxx>, <irca@xxxxxxxxxxxxxxxx>
> Subject: Re: [IRCA] South Korean MW Jamming
> Message-ID: <bd9e455a2f362fcb435d0b11baa14a9b@mtlp000084>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> At 14:27 02-12-16, Chris Kadlec wrote:

> > I'm not sure about 1566 and rebroadcasting audio. It may be another
> > phenomenon, though things change year by year in the area.
>
>
> I guess my question was more about whether this is a specific style
> of jamming (which I'd incidentally heard on 1566).     I'd never
> heard it before, and it sounded like rebroadcast audio of the
> targeted station.   Do you know if that is what is happening in your 
> example?
>
> > (This one is used at tourist sites along the DMZ. This is recorded
> > less than 10 miles from the tower of 50kw 810 KCBS while standing
> > beside the North Korean customs booth a half mile from the actual
> > border, but a 60dBu silent signal very closeby is muffling it. These
> > are mounted on little sticks on the side of buildings like 10-watt
> > transmitters.)
>
>
> It sounds as if you're suggesting the distortion is only the muffling
> from the nearby open carrier...which I'm assuming I didn't have when
> I heard something similar on 1566.
>
>
> best wishes,
>
> Nick
>
>
>
> Nick Hall-Patch
> Victoria, BC
> Canada

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