Page 1-2
GWX 68 Installation Manual
Preliminary Revision 1
190-00286-01
1.4.2 Physical Characteristics
Characteristics
Specifications
Unit Size
See Figure A-1. GWX 68 Outline Drawing
Unit weight
10" – 9.0 lbs (4.08 kg)
12" – 9.1 lbs (4.13 kg)
1.4.3 General Specifications
The table below contains general environmental specifications. For detailed specifications, see the
Environmental Qualification Form (005-00171-00).
Characteristics
Specifications
Operating Temperature Range
-55°C to +70°C. For more details see Environmental
Qualification Form.
Humidity
95% non-condensing
Altitude Range
-1,500 ft to 50,000 ft
1.4.4 Performance Specifications
Characteristics
Specifications
Display Colors
4 Colors
Selectable Ranges
2.5, 5, 10, 20, 40, 80, 160, 320nm
Weather Avoidance Range
305nm w/ 12” Ant.
270nm w/ 10” Ant.
Performance Index
213dB w/ 12” Ant.
210dB w/ 10” Ant.
Rx Sensitivity
-110 dBm MDS
Manual Gain
+12 to –64dB
Antenna Beamwidth
7.8° w/ 12” Ant.
9.0° w/ 10” Ant.
Magnetron Power
6.5kW nominal
5kW minimum
Pulse Width
1 or 4 µS
Scan Angle
Pilot adjustable – 20, 40, 60 or 90°
Scan Centerline
Pilot adjustable
Scan Rate
12 looks/minute
Manual Tilt
±15°
Stabilization
±30° combined pitch and roll
Altitude
50k Ft unpressurized
STC
Effective to 80nm
Extended STC
80nm to 320nm
Interface
Garmin HSDB/ARINC 429/ARINC 453
