CHINA  Checked the 21.800 to 13.750 kHz range at 03.50 to 04.20 UT slot in Hiroshima and Tokyo SDR's remotedly today Sunday May 16th:
A lot of strong at least 100 kW - 10kHz wideband - CHN CNR1 jammers:
21800 kHz 11.6 kHz wideband signal, S=8 in Tokyo at 03.59 UT Beijing time pips, 04.00 UT transmitter switch-OFF, but at 04.01:20 UT from another place? - or same CNR1 - appeared back on that 21800 kHz channel.
21505 kHz MRA 04-05 UT US AGM RFA Chinese from Tinian Island, Suns at 04.02 UT.
CNR1 jamming mostly S=9+10dB strong level heard in Japan 18900, 17150, 16600, 16300, 16160, 16100, 15890, 15775, 15760, 15745, 15340, 14980, 14920, 14900, 14560,139200, 13790, 13750 ....
and 15030even IND AIR Bangalore in Nepalese? tiny S=3 at 04.15 UT in Tokyo remotedly.
73 wb  df5sx