ISS Amateur Radio Frequencies

Mode V APRS (Worldwide APRS Digipeater): Operational
Simplex:	145.8250 MHz FM 1200 BPS
Downlink	145.8250 MHz FM 1200 BPS
Mode V/V Crew Contact (Region 1): Operational
Uplink:	145.2000 MHz FM
Downlink	145.8000 MHz FM
Mode V/V Crew Contact (Regions 2 & 3): Operational
Uplink:	144.4900 MHz FM
Downlink	145.8000 MHz FM
Mode U/V (B) FM Voice Repeater (Worldwide): Operational
Uplink:	437.8000 MHz FM
Downlink	145.8000 MHz FM
Mode V/U (J) FM Voice Repeater (Worldwide): Operational
Uplink:	145.8000 MHz FM
Downlink	437.8000 MHz FM
Mode V Imaging: Operational
Downlink	145.8000 MHz SSTV
Mode V/V Packet (Worldwide): Operational
Uplink:	145.9900 MHz AFSK 1200 BPS
Downlink	145.8000 MHz AFSK 1200 BPS