giovedì 15 marzo 2018

Koreas on March 15

KOREA SOUTH/REP OF    Voice of Freedom program on 5920v wandered again.
After a switch-off break on March 13 and 14, noted back on March 15

'Voice of Freedom' - Today down now on ...
5917.769 kHz measured on monitoring at 0530 UT on March 15, on remote
Perseus SDR unit in Seoul SoKorea, S=9+10dB signal strength.
Hwaseong bcast transmission.
But suffered by severe jamming, both types, of scratching jammer, as wells
as ditter jamming signals too, broadband up to 5934 kHz.

5905.009 kHz Nearby but jamming spill-over FREE !
'Echo of Unification', in Korean language from Pyongyang,
S=9+40dB at 0532 UT.
Measured on lower sideband up to 2 x 6300 Hertz broad either sideband.


Other VoF channel 6045 kHz:

Today March 15 at 05.40 UT the ditter jammer is on
6045.005 kHz again,
but no VoF service on air at all.

Two main peaks 1690 Hertz distance away.

Minor jammer peaks visible also at
6038.3, 6039.9, 6041.1, 6041.7, 6043.4, and
6045.5, 6046.7, 6047.7, 6048.1, 6050.1, 6050.9 kHz

[selected SDR options, span 12.5 kHz RBW 15.3 Hertz]
(wb  df5sx, wwdxc BC-DX TopNews March 15)