From Hiroshi's blog, schedule update for the clandestine station, Shiokaze
Effective: January 2025
1300-1400 on 5935 and 6085 kHz
1405-1435 on 7260 and 7325 kHz
1600-1700 on 6165 and 6180 kHz
1705-1805 on 7225 and 7320 kHz
Shiokaze (Sea Breeze) broadcasts to North Korea and is operated by the independent investigating organization "Investigation Commission on Missing Japanese Probably Related to North Korea", regarding persons believed to have been abducted by North Korea prior to 1983. All broadcasts are from Yamata in Japan (300 kW).
They usually have an English program at 1300-1400 and 1600-1700 on Wednesdays (otherwise they are in Korean and Japanese)
(T Rogers/BDXC)