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Appendix A: Technical specification
RD218 18”Radome scanner unit
General
Approvals
CE - conforms to
FCC - conforms to
1999/5/EC
47CFR Part 2 and Part 80
Dimensions Φ521 x 247 mm (20.5 x 9.7 in)
Weight 9.5 kg (21 lbs)
Input Voltage 8.7 - 32 V DC (from display unit)
Power Consumption 28 W (9 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 operation:
100 Kts
Maximum Range Scale 24 nm
Transmitter
Transmitter Frequency 9410 +/– 30 MHz
Peak Power Output 2.0 kW (nominal)
Transmitter Solid-state modulator driving Magnetron
Pulse Length/PRF
Range (nm) Pulse Length (ns) PRF (kHz)
0.25 or less 75 3.0
0.50 100 3.0
0.75 150 3.0
0.75 expanded 250 2.5
1.50 350 1.8
3.00 450 1.4
3.00 expanded 600 1.0
6.00 or greater 1.0 μs 740 Hz
Standby Mode magnetron heater and control left on, all other
services off
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