Wolfgang Bueschel: British Antarctic Survey Annual Midwinter broadcast observations

Saturday, June 22 2019

ASCENSION ISLS / U.K.
British Antarctic Survey Annual Midwinter broadcast from BBC London
program start 21.30:11 UT.
7360 kHz covered by Vatican Radio Santa Maria di Galeria from 21.00 UT
in Portuguese language. Latter S=9+10dB.
No QRM, but adjacent 7345 kHz CNR1 Beijing,
RTTY High Speed UTE 7372.9 to 7373.1 kHz.
Heavy digital STANAG signal on 5870.9 to 5874.1 kHz S=9+15dB.

BASM program noted in western Europe, Holland, Germany, Hungary:
5875 kHz from ENC Woofferton England,
S=9+35dB, but sideband scratch from STANAG digital 5871-5874 kHz
from 21.57 UT 5890 kHz adjacent BBC Singapore Kranji IS chimes.
7360 kHz from ENC Ascension Islands,
S=9+30 at 21.32 UT, but heard BUZZ audio and visible on Perseus SDR
screen some  f i v e   strings of 50 Hertz apart distance on
50, 100, 150, 200, 250 Hertz either sideband.
9455 kHz from ENC Woofferton England, 21.30:11 UT crash start.
S=9+25dB, and a single buzz 100 Hertz string either sideband seen.
- - -
and logged also on KIWI SDR's in Brazil, South America
and remote SDR at TWR Africa bureau at Johannesburg AFS/RSA:
5875 kHz S=9 or -77dBm rather disappointing, fair only.
7360 kHz S=9+20dB or -60dBm, best though suffered by 5 x BUZZ strings.
9455 kHz S=7 or -84dBm only fair.
[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb  df5sx, wwdxc BC-DX TopNews June 21)


    


    
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