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Table 1.4-1. RDR-1600 Radar System (Cont)
Characteristic
Description
Transmitted Pulse Width and Pulse Repetition Frequency (PRF)
Pulse Width PRF
Search 1 (10 nm or less)
0.2
µ
Sec 1500 Hz
Search 2 (10 nm or less)
0.2
µ
Sec 1500 Hz
Search 3, Search 1, Search 2
2.35
µ
Sec 200 Hz
Beacon
2.35
µ
Sec 200 Hz
Weather
2.35
µ
Sec 200 Hz
Weather Performance Index and Avoidance Range
PI Avoidance
10 inch Antenna
208.7 dB 190 nm
12 inch Antenna
212.9 dB 229 nm
18 inch Antenna
219.7 dB 305 nm
18 inch by 12 inch Antenna
216.3 dB 265 nm
Sensitivity Timing Control (STC)
10 inch Antenna
40 nm
12 inch Antenna
40 nm
18 inch Antenna
45 nm
18 inch by 12 inch Antenna
45 nm
Antenna Gain and Beam Width
Gain Azimuth Elevation
10 inch Antenna
25.5 dBi 10
°
10
°
12 inch Antenna
27.6 dBi 8.0
°
8.0
°
18 inch Antenna
31.0 dBi 5.5
°
5.5
°
18 inch by 12 inch Antenna
29.3 dBi 5.5
°
8.0
°
Antenna Scan Angle
120
°
or 60
°
Antenna Scan Rate
28
°
/ Sec
Antenna Tilt Control
±
15
°
Antenna Stabilization
±
30
°
Antenna Stabilization Accuracy
±
1
°