Goto Section: 80.874 | 80.876 | Table of Contents
FCC 80.875
Revised as of October 1, 2006
Goto Year:2005 |
2007
Sec. 80.875 VHF radiotelephone power supply.
(a) There must be readily available for use under normal load conditions a
power supply sufficient to simultaneously energize the VHF transmitter at
its required antenna power, and the VHF receiver. Under this load condition
the voltage of the source of energy at the power input terminals of the VHF
radiotelephone installation must not deviate from its rated value by more
than 10 percent on ships completed on or after March 1, 1957, nor by more
than 15 percent on ships completed before that date.
(b) When the power supply for the VHF radiotelephone installation consists
of batteries, they must be installed in the upper part of the ship, secured
against shifting with motion of the ship, capable of operating the
installation for 6 hours, and accessible with not less than 26 cm (10 in.)
head room.
(c) Means must be provided for charging any rechargeable batteries used in
the ship's VHF radiotelephone installation. There must be provided a device
which, during charging of the batteries, will give a continuous indication
of the charging current.
(d) The VHF radiotelephone installation may be connected to the reserve
power supply of a compulsorily fitted radiotelephone or radiotelegraph
installation.
[ 51 FR 31213 , Sept. 2, 1986, as amended at 58 FR 44953 , Aug. 25, 1993]
Goto Section: 80.874 | 80.876
Goto Year: 2005 |
2007
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