Goto Section: 80.854 | 80.858 | Table of Contents
FCC 80.855
Revised as of October 1, 2008
Goto Year:2007 |
2009
Sec. 80.855 Radiotelephone transmitter.
(a) The transmitter must be capable of transmission of H3E and J3E emission
on 2182 kHz, and J3E emission on 2638 kHz and at least two other frequencies
within the band 1605 to 3500 kHz available for ship-to-shore or ship-to-ship
communication.
(b) The duty cycle of the transmitter must permit transmission of the
international radiotelephone alarm signal.
(c) The transmitter must be capable of transmitting clearly perceptible
signals from ship to ship during daytime under normal conditions over a
range of 150 nautical miles.
(d) The transmitter complies with the range requirement specified in
paragraph (c) of this section if:
(1) The transmitter is capable of being matched to actual ship station
transmitting antenna meeting the requirements of Sec. 80.863; and
(2) The output power is not less than 60 watts peak envelope power for H3E
and J3E emission on the frequency 2182 kHz and for J3E emission on the
frequency 2638 kHz into either an artificial antenna consisting of a series
network of 10 ohms resistance and 200 picofarads capacitance, or an
artificial antenna of 50 ohms nominal impedance. An individual demonstration
of the power output capability of the transmitter, with the radiotelephone
installation normally installed on board ship, may be required.
(e) The transmitter must provide visual indication whenever the transmitter
is supplying power to the antenna.
(f) The transmitter must be protected from excessive currents and voltages.
(g) A durable nameplate must be mounted on the transmitter or made an
integral part of it showing clearly the name of the transmitter manufacturer
and the type or model of the transmitter.
(h) An artificial antenna must be provided to permit weekly checks of the
automatic device for generating the radiotelephone alarm signal on
frequencies other than the radiotelephone distress frequency.
Goto Section: 80.854 | 80.858
Goto Year: 2007 |
2009
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