Specifications – Furuno INMARSAT-C MOBILE EARTH STATION FELCOM 12 User Manual

Page 153

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SP-1

SPECIFICATIONS

Transmitting Frequency

1626.5 to 1646.5 MHz

Receiving Frequency

1530.0 to 1545.0 MHz

Antenna

Omnidirectional

G/T

Better than -23 dB/K (elevation angle 5˚)

EIRP

12 to 16 dBW (elevation angle 5˚)

Modulation

BPSK

Modulation Rate

1200 sps

Coding

Convolutional coding with coding rate
1/2 and constraint length 7

Decoding

Viterbi decoder

Transmission Speed

600 bps

External Equipment Interface

Input: GGA, GLL, RMA, RMC, ZDA, VTG, RMB,
WPL, MTW, DBT, VDR, BWC, BWR
Output: GGA, ZDA, GLL, VTG, RMC, GSV

Internal GPS Receiver (option)

Eight discrete channels, all-in-view
Approx. 50 m, 95% of the time, Horizontal dilution of
position (HDOP)<4
All GPS receivers are subject to degradation of position
and velocity accuracies under the U.S. Department of
Defense.

Navigation Equipment Interface Internal GPS Board (option): NMEA0183

Operating Environment

Above deck equipment

Temperature: -35˚C to +55˚C
Relative humidity: 95% (at 40˚C)

Below deck equipment

Temperature: -20˚C to +55˚C
Relative humidity: 95% (at 40˚C)

Ship’s Mains

Communication unit, Terminal unit and Printer: 24VDC
100/110/120/200/220/240 VAC by optional AC-DC
Power Supply Unit PR-300]

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