MARINE RADAR JMA-2343/2344

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Discontinued Products

Specifications / Components

CONPOSITION

Model name JMA-2343 (Radome) JMA-2344 (Open Array)
Input power 12 / 24 / 32VDC, (Range: From 10.8 to 42VDC)
Scanner unit NKE-249 NKE-250
Display unit NCD-4170
Installation cable
(l0m/15m/20m)
CFQ-6774-**
** :10 (for 10m)
** :15 (for 15m: Standard)
** :20 (for 20m)
CFQ-6882-**
** :10 (for 10m)
** :15 (for 15m: Standard)
** :20 (for 20m)
Rectifier for AC input
(option)
NBA-797

SPECIFICATIONS

Scanner unit (NKE-249;Radome)
Dimensions Height : 275mm (11”), Diameter of radome:620mm (24.8”)
Mass Approx. 10.5kg
Polarization Horizontal
Beam width
  Horizontal (-3dB)
  Vertical(-3dB)
  Side lobe level

25°
Less than -21dB within 10° of main beam
Rotation speed Approx : 27rpm
Frequency 9410 ± 30 MHz
Peak power 4kW
Pulse length/repetition
Pulse length/frequency
0.08us/2250 Hz 0.125, 0.25, 0.5, 0.75, 1.5nm(S)
0.25us/1700 Hz: 1.5nm(L), 3nm (S)
0.5us/1200Hz: 3nm (L), 6nm (S)
1.0us/650Hz:6nm (L), l2nm, 24nm, 36nm, 48nm
(S:Short, L:Long)
Scanner unit (NKE-250; Open Array)
Dimensions Height: 17 Sinches, Swing circle 48.8 inches
Mass Approx. 52.86 pounds
Polarization Horizontal
Beam width
  Horizontal (-3dB)
  Vertical(-3dB)
  Side lobe level

30°
Less than -23dB within 10° of main beam
Other than -26dB within 10° of main beam
Rotation speed NKE-250 Approx. 27 rpm
Frequency 9410 ± 30 MHz
Peak power 6kW.
Pulse length/repetition
Pulse length/frequency
0.08us/2250 Hz 0.125, 0.25, 0.5, 0.75, 1.5nm (S)
0.25us/1700 Hz: 1.5nm (L), 3nm (S)
0.5us/1200Hz: 3nm (L), 6nm (S)
1.0us/650Hz:6nm (L), l2nm, 24nm, 36nm, 48nm, 64nm
(S:Short, L:Long)
Display unit (NCD-4170)
Display Unit 10-inch square CRT
Dimensions Width : 278mm (10.9") --without mounting yoke
Height : 242mm (9.5")
Depth : 259mm (11.4") --without sunshield
Approx. 9kg
Mounting Table mounting.
Range scale/rings 0.125nm/0.065nm, 0.25nm/0.125nm, 0.5nm/0.lnm,
0.75nm/0.25nm, 1.5nm/0.5nm, 3nm/0.5nm, 6nm/lnm,
12nm/2nm, 24nm/1nm, 36nm/6nm, 48nm/8nm,
64nm/l6nm (when JMA-2344 / JMA-2344HS)
Input from external device NMEA0183
(GGA,RMA,RMC,GLL,RMB,BWC,VTG,VHW,HDT,HDM,HDG,GLC,GTD)
Output to external device NMEA0183(RSD)
SUB monitor(Vertical / Horizontal synchronous signal,video signal)
Power supply <JMA-2343/JMA-2344> From 10.8 to 42VDC
<JMA-2343>Approx. 50W
<JMA-2344>Approx. 60W