Special Features:

The global hf is part of the global command and control system (gccs), it is a remote controlled ground-air communications system that can be operated either from the console at ascension island or remoted to the control station at andrews afb, the system includes antennas, hf transmitters, hf receiver, control circuitry and an operator console

Properties:

A collection of items having the same basic name, that propagate into space and utilize the radiated portion of electomagnetic waves. The item is a group of two or more radio sets. For items consisting of one functioning radio set, see radio set.