AP2.5 INMARSAT MES
AP2-16
AP2.5 SPECIFICATIONS OF THE INMARSAT MES
AP2.5.1 FELCOM 12
1. GENERAL
(1) Transmitting Frequency 1626.5 to 1646.5 MHz
(2) Receiving Frequency 1530.0 to 1545.0 MHz
(3) Antenna Omnidirectional
(4) G/T Better than -23 dBW (elevation angle 5°)
(5) EIRP 12 to 16 dBW (elevation angle 5°)
(6) Modulation BPSK
(7) Modulation Rate 1200 sps
(8) Coding Convolitional Coding coding rate 1/2 and constraint length 7
(9) Decoding Viterbi decoder
(10) Transmission Speed 600 bps
(11) Nav. data Interface NMEA-0183
2. POWER SUPPLY
(1) Antenna/communication Unit 24 VDC: 1 A (reception), 5 A (transmission)
(2) Terminal Unit 24 VDC, 0.8 A
(3) Printer 24 VDC, 1.5 A
3. ENVIRONMENTAL CONDITION
(1) Temperature Above deck equipment: -35°C to +55°C
Below deck equipment: -12°C to +55°C
(2) Relative Humidity 95% (at 40°C)
4. COATING COLOR
(1) Antenna unit radome: N9.5, base: 2.5PB3.5/10
(2) Communication unit N3.0
(3) Terminal unit panel: N3.0
(4) Distress alert unit 2.5GY5/1.5
(5) Received call unit 2.5GY5/1.5
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