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Section 11--FCC Licensing
11. FCC LICENSING
11.0. FCC – Transmitter Rules Amended
The Federal Communications Commission (FCC) has
amended its rules to eliminate the required annual
measurement of transmitter power, frequency and
modulation and to specify transmitter power in terms of
output power for licensees in the Public Safety, Industrial
and Land Transportation Radio Services. The action was
the result of a rule making procedure initiated October 29,
1976, on the request of HT&B Electronics.
Under the rules, which amend Part 89, 91 and 93, licensees
are required to operate their transmitters within the
specified technical parameters.
Each licensee must take effective measures to ensure the
integrity of his communications system, including periodic
evaluation of receiver performance in order that undue
airtime not be consumed in repeating messages lost through
poor effective receiver sensitivity, the FCC said.
For the sake of convenience and simplicity of transmitter
power measurement, the FCC specified that in the future,
transmitter output power, rather than the direct current
input power to the final radio frequency stage, be the
standard parameter used to indicate transmitter power. The
FCC defined transmitter output power as that power
measured at the transmitter output terminals when
connected to a load of the impedance recommended by the
equipment manufacturer.
11.1
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