Atsu Taniguchi, JE1TRV, Secretary of the A1 Club in Japan, passes along this earthquake / tsunami-related information:
We as amateur radio operators are gathering and exchanging emergency information on the following frequencies. Please kindly keep these frequencies clear.
50.100MHz / 51.000MHz / 51.500MHz
144.100MHz / 145.000MHz / 145.500MHz
430.100MHz / 433.000MHz / 433.500MHz
Thank you for your kind cooperation.