JRC JUE-95SA - Technical Specifications; JUE-95 SA (EME and IME) Principal Specifications

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CHAPTER 5. SPECIFICATION
5.1 JUE-95SA (EME and IME)
Table 5.1 Principal Specification of JUE-95SA
Class of Inmarsat -C MES Class 1
Frequency range Transmission 1626.5-1646.5 MHz
Reception 1530.0-1545.0 MHz (EME: NAF-742SA)
1537.0-1544.2 MHz (EME: NAF-253SA)
Channel spacing 5 kHz
EIRP Within +7 - +16 dBW (at 5 degrees elevation angle)
G/T -23.7 dB/K minimum
Modulation Transmission 1200 symbols/sec. BPSK* (2nd generation satellite)
Reception 1200 symbols/sec. BPSK*
(BPSK: Binary Phase Shift keying)
Antenna Type
Helical antenna
Pattern Hemisphere (non directional)
Polarization Right hand circular
Power supply
Voltage
AC100/220 ±10%, DC 24V (+30%, -20%)
Power consumption TX: 75 W (EME and IME)
RX: 15 W (EME and IME)
Environmental
Condition
Ambient temperature
-35° C - +55° C (EME operational)
-15° C - +55° C (IME operational)
Preservation temperature
-40° C - +80°C (EME: NAF-742SA)
-40° C - +75°C (EME: NAF-253SA)
Relative humidity
95 % (+40°C)
Ice 25 mm (EME)
Precipitation 100 mm/hour (EME)
Velocity 100 knots
Vibration IEC60945 compatible
Coding Interleaved, convolutional code (R = 1/2, K = 7)
Data rate
Transmission 600 bps
Reception 600 bps
Max transmission message 8K bytes
Reception message storage 80K bytes (INMARSAT-C: 40K bytes, EGC: 40K bytes)
Interface Internal GPS JRC original
DTE CCITTV 24/28, 9600 bps, 9 PIN DSUB connector
Printer
Centronics compatible parallel interface
Dimensions
EME (NAF-742SA): 144 mm (φ) × 224 mm (H)
EME (NAF-253SA): 170 mm (φ) × 379 mm (H)
IME: 210 mm (W) × 150.3 mm (D) × 50 mm (H)
Mass
EME (NAF-742SA): 1.5 kg
EME (NAF-253SA): 2.4 kg
IME: 1.3 kg
*BPSK：Binary Phase Shift keying