Amateur Radio on the International Space Station

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ARISS Frequencies


Voice Uplink 145.200 MHz * IARU Region 1
  Downlink 145.800 MHz
Repeater Uplink 437.800 MHz
Downlink 145.800 MHz
Packet Columbus 437.550 MHz **
Svesda 145.825 MHz
* In Region 2 (Americas) and in Region 3 (Asia, Australia, Pacific) the Voice Uplink frequency is 144.490 MHz

** The amateur radio station located in the Columbus module is currently operational with the UHF Ericsson transceiver and packet system using the frequency of 437.550 MHz.

To utilize the the packet system, operators need to set the UNPROTO path to ARISS (the id is RS0ISS) for digi relay or they may connect to the BBS using the callsign RS0ISS-1.  

The packet beacon is set for 2 minute intervals so it may not appear to be active over many parts of the world but keep listening and mind the Doppler shift (+ or – 10 KHz).



ARISS Callsigns


Voice USA call sign NA1SS
  Russian call signs RS0ISS
  European call signs DP0ISS
Packet Keyboard call sign RS0ISS-3
  Mailbox call sign RS0ISS-11
  Digipeater Alias ARISS



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