Each nonportable bridge-to-bridge transmitter must be equipped, at each point of control, with a carrier operated device which will provide continuous visual indication when the transmitter is supplying power to the antenna transmission line or, in lieu thereof, a pilot lamp or meter which will provide continuous visual indication when the transmitter control circuits have been placed in a condition to activate the transmitter.
[52 FR 35246, Sept. 18, 1987]
Title 47 published on 2013-10-01
no entries appear in the Federal Register after this date.
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