Raymarine RAY91 Installation And Operation Instruction Manual page 137

Frequency range
Sensitivity
Squelch sensitivity
Hum and noise
Audio distortion
Receiver sensitivity
Adjacent channel selectivity
Spurious response rejection
Inter modulation rejection
GNSS (GPS)
Channels
Cold start
Receiver IC Sensitivity
GNSS compatibility
SBAS compatibility
Special features
Operating frequency
Signal Acquisition
Almanac Update
Geodetic Datum
Refresh Rate
Antenna
Horizontal Position Accuracy
AIS (Ray91 only)
Class type
Technical specification
156.050 MHz to 163.275 MHz / 155.500 MHz to 161.425
MHz (Private channels)
Better than 1 microvolt EMF @ 20dB SINAD
Less than -2 dBµ EMF
Better than -40 dB
Less than 10%
• Distance — 119dBm (0.25uV) @ 12dB SINAD (typical)
• Local — 110dBm (0.7uV) @ 12dB SINAD (typical)
More than 70 dB
More than 70 dB
More than 68 dB
72
29 seconds
• Tracking and navigation = -167 dBm
• Reacquisition = -160 dBm
• Cold start = -146 dBm
• Hot start = -156 dBm
• GPS
• GLONASS
• Beidou
• QZSS
• WAAS
• EGNOS
• MSAS
• GAGAN
Active Jamming and Interference Reduction
• GPS L1 C/A
• GLONASS L10F
• Beidou B1
Automatic
Automatic
WGS-84 (alternatives available through Raymarine MFD)
20 Hz (20 times per second Concurrent GNSS)
• External — An external passive antenna is required
• Autonomous = 2.5m (8.2 ft)
• SBAS = 2m (6.56 ft)
Receiver only
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