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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