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AN/GRC-222 Radio Set; High Capacity Trunk Radio (HCTR)
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/GRC-222 is a short range wide band digital radio set that
Frequency: 4.4 5.0 GHz
Power: 2.5 W average
utilizes a 0.9 m parabolic dish antenna. It consolidates the
functions of the AN/GRC-144 Radio Set into one system.
SYSTEM HAZARDS
HAZARD CONTROLS (to reduce or eliminate risk)
Power Density Levels (PDL) ....
This system is not able to produce potentially hazardous PDLs in excess of the safety
standard.
Hazard distance from antenna ....
PDLs exceed the partial body safety standard at a distance up to 3 cm from the horn
aperture, however, since the antenna is normally elevated on a 15 m mast, operators do
not have access to the area between the feedhorn and the reflector.
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
RF output should be terminated in a dummy load during maintenance operations.
REFERENCES: TM 11-5820-1028-13
Equipment - 53


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