Frequenze Operative Stazione Spaziale ISS Zarya
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FM VOICE for ITU Region 1: Europe-
Downlink 145.800
Uplink 145.200
FM VOICE for ITU Region 2&3: North and South America-
Downlink 145.800
Uplink 144.490
FM VOICE Repeater (Worldwide)
Downlink 145.800
Uplink 437.800
AX.25 1200 Bd AFSK Packet Radio (Worldwide)
Downlink 145.825
Uplink 145.825
UHF Simplex (rarely used)
Downlink 437.550
Uplink 437.550
Other Frequencies:
121.75 FM
Voice downlink from Soyuz-
remote control docking system, and carries a recovery beacon signal during Soyuz descent
(detectable over near-
130.167 AM
VHF-
periods) and sometimes in parallel with VHF-
143.625 FM
VHF-
AFB, Dryden Flight Center and Wallops Island in the US
166.000 AM
Telemetry during orbital operations of Soyuz-
-
259.700 AM
Voice from Space Shuttle during ascent and descent -
after lift-
632.000 634.000 AM
Telemetry from Zarya module, similar to the 166 MHz transmission with peaks at
+/-
seem to be confined to 634 MHz -
-
628.000 630.000 AM
Telemetry from Zvezda module, transmissions are similar to, and more frequent than those
from Zarya and are on command from Moscow
-
922.76 CW
Beacon from Soyuz-
620-
2265.0 Digital
S-
15003.4 Digital
Ku-
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http://www.grupporadiofirenze.net/frequenze.html
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