Atacama Pathfinder EXperiment APEX
Safety at APEX
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Emergency Phone Numbers

Radio communication at APEX

Channel Usage Comments
1 Communication through repeater Normal communication mode
2 Communication point to point Repeater failed or no contact with repeater but direct contact with other radio.
You can still receive through repeater.
Example: two pickups traveling far away that want to communicate between them.
Local communication to diminish traffic and avoid repeater delay.
Using ALMA road, at some points you loose the repeater but can get a direct connection with Sequitor.
3 Local communication

Warning! You are not listening the other radios in channel 1

4 The ALMA Communication channel Use this channel to pass a message to the ALMA paramedic.