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Chapter 12 SPECIFICATIONS
12.5 SCANNER
12.5.1 SCANNER (NKE-1066) SPECIFICATION
(1) Dimensions Height 231mm×Diameter of radome 450mm
(2) Mass Approx. 5kg
(3) Polarization Horizontal (antenna length 1.5 feet)
(4) Antenna Directivity Horizontal Beam Width (-3dB) 5.2°
Vertical Beam Width (-3dB) 25°
Side lobe Level Less than -20dB (less than ±10° from the main lobe)
(5) Rotation Approx. 27rpm (16/20/24/27/30/36/42/48rpm can be set)
(6) Transmitting Frequency 9410±30MHz
(7) Peak Power 4 kW
(8)Transmitting Tube Magnetron [M1624]
(9) Pulse width/ Repetition Frequency (Bandwidth)
SP1: 0.08μs/4000 Hz (Wide 20MHz)
SP2: 0.08μs/2250 Hz (Wide 20MHz)
SP3: 0.13μs/1700 Hz (Wide 20MHz)
MP1: 0.25μs/1700 Hz (Middle 6MHz)
MP2: 0.5μs/1200 Hz (Narrow 3MHz)
LP1: 0.8μs/750 Hz (Narrow3 MHz)
(S: Short pulse, M: Middle pulse, L: Long pulse)
(10) Range Information 0.0625NM SP1
0.125NM SP1
0.25 NM SP1
0.5 NM SP1 / MP1
0.75 NM SP2 / MP1
1.5 NM SP2 / MP1 / MP2
3 NM SP3 / MP1 / MP2
6 NM MP2 / LP1
12 NM MP2 / LP1
24 NM LP1
(11) Duplexer Circulator + Diode Limiter
(Diode Limiter is included in the frontend)
(12) Front End Module MIC
(13) IF Frequency 60MHz
(14) IF AMP Log Amplifier (Gain: more than 90dB)
(15) Overall Noise Figure 6dB (Average)
(16) Tuning Manual/Auto
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