USAF HF Global Command System (HFGCS)

USAF HF Global Command System

What you can hear:
Phone Patch, Message Relay, ALE

A String of Coded Characters also known as an EAM.
EAM stands for Emergency Action Message. These coded military
orders or bulletins have higher traffic priority than all other
traffic except in-flight emergencies.

HFGCS Freqs.
a must for Military Monitoring.

8992 Primary
11175 Primary
13200 Day Backup
15016 Day Backup
6739 Night Backup
4724 Night Backup

CallSign List

My Logs While Putting this together:

1949 utc 11175 Puerto Rico calling station, nothing heard
2022 utc 11175 REACH 2032 with Andrews on "Triple 1 75" standby for alternate op. neg contact on phone. safe flight Andrews out.
2032 utc 11175 REACH 597 Radio Check with Andrews.