FURUNO
FELCOM 18
SP - 1 E5674S01S
210324
SPECIFICATIONS OF INMARSAT-C MES
FELCOM 18
1 GENERAL
1.1 Transmitting frequency 1626.5 to 1646.5 MHz
1.2 Receiving frequency 1537.0 to 1544.2 MHz
1.3 Channel interval 5 kHz
1.4 G/T Better than -23 dB/K (elevation angle 5°)
1.5 EIRP 12 to 16 dBW (elevation angle 5°)
1.6 Modulation BPSK
1.7 Modulation rate 600/1200 sps
1.8 Coding Convolution with coding rate 1/2 and constraint length 7
1.9 Decoding Viterbi decoder
1.10 EGC receiver Built in (EGC: Enhanced Group Call)
1.11 LRIT function Standard
2 ANTENNA UNIT
2.1 Antenna type Daisy loop antenna
2.2 Receiving gain 33 to 40 dB
2.3 Receiving NF 1.7 dB or less
2.4 Transmitting gain 28.5 to 42.5 dB
2.5 Polarization Right-hand circular polarization
2.6 Axial ratio Within 6 dB (5° to 90°)
2.7 VSWR 2.0 or less (50 ohm)
3 TERMINAL UNIT
3.1 Display 10.4” color TFT LCD, 800 x 600 dots (SVGA)
3.2 Brilliance 11 steps
3.3 Visible distance 0.7 m nominal
4 INTERFACE
4.1 Number of port
Serial I/O: 1 ch, Input: 1 ch, IEC61162-1
Alarm (output) 1 ch, Contact closure, Normal close
SSAS I/O 1 ch, RS-485, 1200 bps
LAN 1 port, Ethernet 100Base-TX, RJ45 connector
USB 1 port for keyboard, USB2.0
4.2 Data sentences
Serial IEC61162-1 Ed.3/4/5
Input BWC, BWR, DBT, DTM, GGA, GLL, GNS, GSA, MTW, RMA, RMB,
RMC, VDO, VDR, VTG, WPL, ZDA
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