VIETNAM 9730 kHz fundamental towards Europe, and NoAF incl. Saudi Arabia
NE, at CIRAF zones 27-30, 37-39
100 kW at 320degr according Aoki HFCC database,
VoVietnam from Hanoi, bcast center Son Tay. 1600-2200 UT daily.
There is one of the 5 shortwave TX units much faulty, and sent out next to
the fundamental, some additional spurios every 8 kHz freqeuency distance
minus / plus 8 kHz like a Garden fence.
73 wb df5sx
wwdxc Alemanha
VIETNAM 9730 kHz defunct transmitter from Hanoi Son Tay again on air
tonight at 18.30-19.00 UT German service, from 19.00 UT English.
9730 kHz Faulty defunct VoVTN Son Tay transmission, S=9+15dB, and
more 2 x 8 strings, each 8 kHz apart distance, either sideband.
Produce also some whistle heterodyne tones to other regular international
broadcaster in 31 mb.
7285 kHz Faulty defunct VoVTN Son Tay transmission,
S=9+15dB signal in eastern Thailand remote SDR rx. At 10.30-13.30 UT,
Cambodian, Lao 11-12, French, Thai, French services, Jan 10,
more 2 x 8 16 in total strings visible like a garden fence,
each 8 kHz apart distance, either sideband.
On 7221 ... 7229 ... center fundamental 7285 kHz ... 7341 ... 7349 kHz.
Produce also some whistle heterodyne tones to other regular international
broadcaster in 41 mb channels.
[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb df5sx, wwdxc BC-DX TopNews Jan 9 / 10)
VIETNAM Voice of Vietnam 9730 kHz spurs.
Don't know if it's a new thing, but Voice of Vietnam at the moment is
producing qute a few spurs from nominal 9730 kHz (2130-2200 UT
in English). Every 8 kHz there is almost same level signal -
from 9698 to 9762 kHz.
(Wojtek Zaremba, Legionowo-POL, hcdx Dec 17)
VIETNAM Re: Voice of Vietnam 9730 kHz spurs.
Their 8 kHz spur fqs like 'garden fence' not observed in 23-24 UT Dec 17
time slot, when checked remote SDR rxs in Qatar, India, Brisbane Australia
and Hiroshima / Tokyo Japan.
9839.771 VoVietnam Son Tay S=8 in Hiroshima remote rx.
177degr azimuth straight southwards to South East Asia target.
23.05 UT on Dec 17. Only S=7 signal in Japan.
12018.709 VoVietnam Son Tay, S=7-8 sidelobe into Tokyo Japan remote SDR
rx.
At 23.35 UT on Dec 17.
9634.941 VoVietnam home sce relay from Son Tay bcast center in Vietnamese
language at 23.49 UT on Dec 17, S=8-9 sidelobe into remote SDR in Japan.
[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb df5sx, wwdxc BC-DX TopNews Dec 17)
VIETNAM 11720 kHz TERRIBLE -13x- SPURS FENCE in 25 mb tonight
of VoVTN Vietnamese from Son Tay site at 23.54 UT on Dec 4,
similar to recent defunct TX outlet on 9730 kHz 16-22 UT to Europe,
visible and heard spurious from Son Tay transmitter each 8 kHz apart
frequency distance.
Tonight Dec 4 / 5 now a lot of VoVTN spurious too in 25 mb:
11664 11672 11688 11696 11704 11712 11720(and CNH co-ch)
11728 11736 11744 11752 11768 11784 11792 kHz
[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb df5sx, wwdxc BC-DX TopNews Dec 4/5)
