Indonesian Pirates on 7 MHz
The new IARU Region 1 Monitoring System free newsletter reports many Indonesian pirates were heard on 30th December 2017 in 7000-7040 kHz USB/LSB
They were active in 5 kHz increments, laughing, singing and talking.
The signals were rather strong in Europe.
The International Amateur Radio Union Monitoring System (IARUMS) Region 1 December 2017 newsletter - http://www.iarums-r1.org/iarums/news2017/news1712.pdf
Reports of Amateur Band intruders can be logged on the IARU Region 1 Monitoring System Logger - http://peditio.net/intruder/bluechat.cgi