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AN/FSC-78B Satellite Communications Terminal (Modernized, Heavy Terminal)
SYSTEM DESCRIPTION
SYSTEM PARAMETERS
The AN/FSC-78 is a satellite communications terminal that utilizes
Frequency: 7.9 8.4 GHz
Power: 6300 W max
an 18.3 m diameter parabolic dish antenna with a cassegrain feed
and four traveling-wave tube HPAs.
SYSTEM HAZARDS
HAZARD CONTROLS (to reduce or eliminate risk)
Power Density Levels (PDL) ....
This system is able to produce potentially hazardous PDLs in the main beam of the
antenna in excess of the safety standard. Establish a Nonionizing Radiation Protection
Program (IAW guidelines provided in this TB) .
Open/cracked waveguides .......
All open waveguides and loose or open flanges produce very hazardous PDLs within
close proximity of the break. Exclude personnel to within 4.2 m from a fully open guide
at the transmitter. (The system uses a pressurized waveguide interlocked with the
transmitter to prevent operation without adequate guide pressure).
Other.................................
Consult the equipment Technical Manual for other operator and/or maintenance hazards.
REFERENCES: TM 11-5895-358-14
Equipment - 41


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