Northwest Louisiana Amateur Radio News

ISS Frequencies


The following frequencies are currently used for ARISS general QSO's
Voice and Packet Downlink: 145.80 (Worldwide)
Voice Uplink: 144.49 for Regions 2 and 3 (The Americas, and the Pacific) 
Voice Uplink: 145.20 for Region 1 (Europe, Central Asia and Africa) 
Packet Uplink: 145.99 (Worldwide)
Crossband FM repeater downlink: 145.80 MHz (Worldwide)
Crossband FM repeater uplink: 437.80 MHz (Worldwide)

All frequencies are subject to Doppler shifting.


For more information on the procedures used to contact the International Space Station, check out the
ARISS Expedition Six information.



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