Chapter 13 SPECIFICATIONS
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13.5.3 SCANNER (NKE-2103-4/6/4HS/6HS) SPECIFICATION
(1) Dimensions Height: approx. 458 mm
Swing Circle: approx. 1,320mm (4ft)
Height: approx. 458 mm
Swing Circle: approx. 1910 mm (6ft)
(2) Mass Approx. 34 kg (4ft)
Approx. 36 kg (6ft)
(3) Polarization Horizontal Polarization
(4) Directional Characteristic
Horizontal Beam Width (-3dB): 1.8° (4ft), 1.2° (6ft)
Vertical Beam Width (-3dB): 20° (4ft/6ft)
Sidelobe Level -26 dB or less (less than ±10° from the main lobe) (4ft/6ft)
-30 dB or less (±10° or more from the main lobe) (4ft/6ft)
(5) Rotation 27rpm (NKE-2103-4/6)
48rpm (NKE-2103-4HS/6HS)
(6) Transmitting Frequency 9410 ±30 MHz
(7) Peak Power 10 kW ±50%
(8) Transmitting Tube Magnetron [MAF1565N]
(9) Pulse Width/Repetition Frequency (Bandwidth) SP: 0.08ȝs/2250 Hz (20MHz)
MP1: 0.25ȝs/1700 Hz (6MHz)
MP2: 0.5ȝs/1200 Hz (6MHz)
LP1: 0.8ȝs/750 Hz (3MHz)
LP2: 1.0ȝs/650 Hz (3MHz)
(10) Range information 0.0625NM to 0.25NM: SP
0.5NM to 1NM: SP, MP1
1.5NM, 2NM: SP, MP1, MP2
3NM, 4NM: MP1, MP2, LP1
6NM to 16NM: MP2, LP1, LP2
24NM to 72NM: LP2
(10) Duplexer Circulator + Diode Limiter
(11) Front End Module MIC
(12) Intermediate Frequency Amplifier
Intermediate Frequency: 60MHz
Band Width: 20MHz (0.08ȝs)
6MHz (0.25ȝs, 0.5ȝs)
3MHz (0.8ȝs, 1.0ȝs)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 7.5dB (Average)
(14) Tune Method AUTO/MANUAL
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