Raymarine Radome Scanners - Manual (Page 29)

25
RD424 24”Radome scanner unit
General
Approvals
CE - conforms to
FCC - conforms to
1999/5/EC
47CFR Part 2 and Part 80
Dimensions Φ652 x 247 mm (25.67 x 9.7 in)
Weight 10.0 kg (22 lbs)
Input Voltage 8.7 - 32 V DC (from display unit)
Power Consumption 34 W (10 W Standby)
Environmental Waterproof to CFR46
Temperature range: -10° to +55°C
Humidity limit:
up to 95% at 35°C
Maximum wind speed for satisfactory oper-
ation: 100 Kts
Maximum Range Scale 48 nm
Transmitter
Transmitter Frequency 9410 +/– 30 MHz
Peak Power Output 4.0 kW (nominal)
Transmitter Solid-state modulator driving Magnetron
Pulse Length/PRF
Range (nm) Pulse Length (ns) PRF (Hz)
0.25 or less 75 3.0
0.50 100 3.0
0.75 150 3.0
0.75 expanded 250 3.0
1.50 350 2.0
3.00 450 1.5
3.00 expanded 600 1.3
6.00 or greater 1.0 μs 740 Hz
Standby Mode Magnetron heater and control left on, all other ser-
vices off
Duplexer Circulator
Antenna
Antenna Type Patch array
Beam Width (nominal) 4.5° horizontal, 25° vertical
Transmitter