The high bands are open today with some good signals:
0310z 22.611.5MHz CW "CQ CQ CQ de HLF HLF HLF QSX 22MHz K" Seoul, South Korea 539 report. (Beacon mode)
0330z 22.642.0MHz CW "CQ CQ CQ de JFX K" Kagoshima Fisheries Radio, Kagoshima Japan 519 report.
0400z 22.681.5MHz CW "CQ CQ CQ de JFS K" Aomori Fisheries Radio, Aomori, Japan 529 report.
0401z 22.606.5MHz CW "CQ CQ CQ de JFM K" Muroto Fisheries Radio, Muroto, Japan 519 report.
0500z 22.606.5MHz CW "CQ CQ CQ de JFG K" Shizouka Fisheries Radio, Shizuoka, Japan 529 report.
The Japanese fisheries radio starts off with a standard preamble then goes to major weather reports, traffic list and then stand by for check ins.
Each frequency is shared with around three different stations per channel transmitting to different skeds.