sabato 31 Ottobre 2020
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Wolfgang Bueschel log

Frequency intermodulations are always enlightening and tell-tale,
not only on Amateur radio BANDWATCH projects.

The use of the intermodulation 11590 kHz frequency
is very enlightening in time slot
13.00 to 13.08 UT from Tashkent UZB only,
S=9 strength of fundamental 11510 kHz.

The parallel transmission from the TAC-UZB location
of 11510 and 11550 kHz FUNDAMENTALS
show Tashkent UZB intermodulations on 11470 and 11590 kHz.

Suddenly 11590 kHz covered from 13.08 UT onwards on a much stronger
fundamental Yerevan Gavar Armenia outlet of S=9+30dB,
empty carrier started til 13.11 UT,
latter then when TWR South Asia interval signal started til 13.15 UT.

RRTM Telecom Tashkent Uzbekistan bcast center.
Tashkent Shortwave Transmitting Station,
c/o RRTM, Amir Timur str. 109 “A”,
Tashkent, 100202 Uzbekistan, Central Asia,


02.00 till – probably ? – 14.00 UT Persian ‘Iran International TV’
11550 kHz – yes from Tashkent Uzbekistan bcast center.

11510 kHz – yes from Tashkent bcast center at 13.00 UT
RFN_Korean veiled clandestine program towards Korea’s,
noted some S=8-9 strength in Delhi, 3 x at Greece,
at Germany, Austria, Switzerland
most sensitive SDR rxs in worldwide PERSEUS server net …

and two TAC-UZB INTERMODULATIONS some 40 kHz frequency distance apart on
11470 kHz S=6-7 covering ‘symmetrical Persian program’ of 11550 kHz,
11590 kHz S=6-7 covering ‘symmetrical Korean program’ of 11510 kHz.

[selected SDR options, span 12.5 kHz RBW 15.3 Hertz] (wb df5sx, wwdxc BC-DX TopNews Sept 30)


MOLDOVA 11530even Kurdish radio program WELAT via Grigoriopol Maiac bc
center at 13.50 UT, S=9+30dB strength on 3 x Perseus rxs in Greece,
some 1 1/2 seconds late behind on WELAT shortwave transmission,
ahead of co-channel 11530.009 kHz TRT Erdogan program jammer.

WELAT radio checked against satellite signal
Hotbird 13.E PCR-PID 3027, Audio-PID 645, 11.296 MHz H 27.500,
quality in Stuttgart 9.8 dB strength on TechniSat rx, 86 cm dish,


[selected SDR options, span 12.5 kHz RBW 15.3 Hertz] (wb df5sx, wwdxc BC-DX TopNews Sept 30)

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