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ARS Riyadh Yemen excile radio on 11936v kHz and - probably - Iranian Sirjan site jamming up to 11959v kHz   
Wednesday, September 25 2024

HCDX


SAUDI ARABIA 11936.207 kHz approx. peak of Riyadh's carrier
on upper side flank, at 14.46 UT on Wed Sept 25,
S=9+35dB noted on SDR remotedly in Doha, Qatar, ME.

73 wolfie df5sx


From: Zacharias Liangas via groups.io
Sent: Wednesday, September 25, 2024 1:21 PM

Subject: Re: [WOR] ARS Riyadh Yemen excile radio on 11936v kHz and -
probably - Iranian Sirjan site jamming up to 11959v kHz

What I can understand from the waterfall and spectrum analysis

Reception via TWR kSDR Cyprus

This is clearly a carrier shifting upwards to around 8-9 kHz. The
modulation dissipates in proportion with the carrier to a max length of
18kHZ reaching to around 11952KHz. The spectrum analyzer shows that the LSB
side has less modulation than he USB part

Today the signal 25/9 1z+ is centered on 11936.159 kHz. It is highly
variable to a range of ±100HZ More zoom could help but the

Here is the waveform as tested in an audio program : 13 HZ for the marked 1
second!

I posted this info also on the page
https://zachs-radiopage.blogspot.com/2024/09/comenting-on-problem-happened-in-sanna.html
and hope laeter to add more info if possible

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