Re: [IRCA] 1053 Jammer - who hears what?

["Chris Kadlec" <beaglebass@xxxxxxxxxxxxxx>]

Nick, thanks for the clip!!

The clip that I shared has the Seoul jammer in the first half and Gimpo in 
the second half with no overlap (unsure where I recorded that one to get 
them both solid like that!).

I think what you're refering to is the fact that your clip from February has 
no siren sound in it though mine does. That's because in 2015, it was just 
the basic "bee" sound. Somewhere along the line between last winter and this 
spring, they added the siren to those jammers behind it. It's part of the 
actual Seoul audio and not another signal. I was taking a break from the 
brutal February weather to work on my text bandscan indoors, so I can't find 
any clips from that time to indicate when they added the siren, but it was 
obviously toward March. But many of my recordings certainly do have the two 
jammers in it, but none that I have shared yet.

-Chris Kadlec
Seoul AM Radio Listening Guide


> Date: Wed, 14 Dec 2016 06:05:12 +0000
> From: Nick Hall-Patch <nhp@xxxxxxxx>
> Subject: Re: [IRCA] 1053 Jammer - who hears what?
>
> I've uploaded a recording from last February at Grayland
> Chris: 
> http://www3.telus.net/public/shallpat/listen/1053jammer_20160220.wav
>
> 1053 jammer in all its glory with a 5kHz wide filter.   There is no
> sign of any higher pitched components, so it seems that Seoul is our
> jammer.   (and that your recording of Seoul has a  touch of Gimpo in it?)
>
> best wishes,
>
> Nick

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