Twelve credit hours are awarded for completion of these three lesson subcourse and
examination.
CREDIT
CONTENTS:
HOURS
PAGES
Lesson 1 Antenna System for Radio Set AN/GRC-130(V)
3
1
Lesson 2 - Tuning Radio Set AN/GRC-103(V)
5
67
Lesson 3 - Operator's and Organizational Preventive Maintenance
2
114
Examination, Subcourse Booklet and Examination Response Sheet
2
155
12
WARNING
Be careful when working on the 115-volt ac line connections. Serious injury or death
may result from contact with these terminals.
DO NOT TAKE CHANCES!
EXTREMELY DANGEROUS VOLTAGES EXIST IN THE FOLLOWING UNITS
OF RADIO SET AN/GRC-103 (V)1:
TRANSMITTER, RADIO 5TR1............................................................................600 volts dc
AMPLIFIER-FREQUENCY MULTIPLIER .........................................................600 volts dc
AM-4320/GRC-103 (V)
DANGEROUS RADIO FREQUENCY VOLTAGES EXIST AT THE ANTENNA
TERMINALS
Be careful when working around the antenna or the antenna terminals. High voltages
exist at these points.
WARNING
Operator and maintenance personnel should be familiar with the requirements of TB SIG
291 before attempting installation or operation of the equipment covered in the manual. Failure
to follow requirements of TB SIG 291 could result in injury or DEATH.
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