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|  AN/FPN-33 Radar Set
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/FPN-33 is a ground controlled approach radar that
Frequency: 9.0 9.16 GHz
Power: 180 W; 36 W average
utilizes two prime-fed parabolic reflector antennas (azimuth
and elevation) with two modes of operation (surveillance
and tracking/precision).
STEM HAZARDS
HAZARD CONTROLS (to reduce or eliminate risk)
Power Density Levels (PDL) ....
This system is able to produce potentially hazardous PDLs in excess of the safety
standard. High power density levels exist near the waveguide switch window. Establish
a Nonionizing Radiation Protection Program (IAW guidelines provided in this TB) .
Hazard distance from antenna ....
Exclude personnel to a distance of 28 m from the azimuth antenna. Exclude personnel to
a distance of 24 m from the elevation antenna.
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
REFERENCES: SM SIG 7&8 616
AN/FPN-40 Radar Set (used with AN/TPX-41 in AN/FSQ-84 system)
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/FPN-40 is a ground approach radar that utilizes two
Frequency: 9.0 GHz
Power: 180 W; 36 W average
prime-fed parabolic antennas (azimuth and elevation) with
PEP 200 kW
two modes of operation (surveillance and tracking/precision).
SYSTEM HAZARDS
HAZARD CONTROLS (to reduce or eliminate risk)
Power Density Levels (PDL) ....
In the scanning mode, this system is not able to produce potentially hazardous PDLs in
excess of the safety standard. In the nonscanning mode this system is able to produce
PDLs in excess of the standard. Establish a Nonionizing Radiation Protection Program
IAW guidelines provided in this TB) .
Hazard distance from antenna ....
In the nonscanning mode, exclude personnel to a distance of 24.4 m from the azimuth
antenna and exclude personnel to a distance of 15 m from the elevation antenna. High
power density levels exist near the waveguide switch window. Do not direct antennas
toward potentially occupied elevated structures within 18 m (azimuth) and 22 m
(elevation) (these control ranges are calculated).
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
Do not use the switch viewing window while the transmitter is on.
REFERENCES: TM 11-5840-293-12
Equipment - 33
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