[Jan 2023 ~]

----------------------------------------
Morning Transmission:
 2100-2110 or 2200-2210
 around -3020kHz-
 around -3050kHz-
 around -5020kHz-
 around -5500kHz-
 **Each wave moves around significantly.
----------------------------------------
Nighttime Transmission:
 0900-0910 or 1000-1010 or 
 1200-1210 or 1300-1310
 around -3000kHz-
 around -3050kHz-
 around -5160kHz-
 around -5225kHz-
----------------------------------------

There was a possibility that it could be received
irregularly at another time / frequency.

During the winter, there are many problems with 
the transmitter, making it difficult to receive.