Official QO-100 International Emergency Frequency!
In order to coordinate potential emergency communications during the actual or any other crisis, the following frequency will be assigned as international emergency frequency on QO-100 NB Transponder:
QO-100 International Emergency Frequency
Downlink: 10489.860 MHz
Uplink: 2400.360 MHz
SSB channel: max. 2.7kHz bandwidth
All users on QO-100 are encouraged to monitor this frequency, but keep it clear for emergency traffic!
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