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|  AN/GRT-21 Transmitting Set
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/GRT-21 is a single channel, crystal-controlled, VHF
Frequency: 116 - 150 MHz
Power: 50 W PEP
transmitter designed for standard rack mounting in control towers
at fixed airfields. It utilizes a monopole or dipole type antenna.
SYSTEM HAZARDS
HAZARD CONTROLS (to reduce or eliminate risk)
Power Density Levels (PDL) ....
In the near field, this system is able to produce potentially hazardous PDLs in excess of
the safety standard. Establish a Nonionizing Radiation Protection Program (IAW
guidelines provided in this TB).
Hazard distance from antenna ....
Exclude personnel to a distance of 28 cm from the antenna. (This range is too close to
the antenna to consider any exposure as "whole body." )
RF shock/burn .....................
Observe standard RF shock precautions. Do not touch the antenna when energized.
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
REFERENCES: TM 11-5820-806-14
AN/GRT-22 Transmitting Set
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/GRT-22 is a single channel, crystal controlled, VHF
Frequency: 116 - 150 MHz
Power: 50 W PEP
transmitter designed for standard rack mounting in control towers at
fixed airfields. It utilizes a monopole or dipole type antenna and
provides a transmitting capability of 3,500 UHF channels.
HAZARD CONTROLS (to reduce or eliminate risk)
SYSTEM HAZARDS
Power Density Levels (PDL) ....
In the near field, this system is able to produce potentially hazardous PDLs in excess of
the safety standard. Establish a Nonionizing Radiation Protection Program (IAW
guidelines provided in this TB).
Hazard distance from antenna ....
Exclude personnel to a distance of 28 cm from the antenna. (This range is too close to
the antenna to consider any exposure as "whole body." )
RF shock/burn .....................
Observe standard RF shock precautions. Do not touch the antenna when energized.
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
REFERENCES: TM 11-5820-806-14
Equipment - 57
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