190-01115-01
G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance
Rev. AC
Page C-1
APPENDIX C LRU PERFORMANCE SPECIFICATIONS/LICENSING/
COMPLIANCE
This section contains various performance specification, licensing, and compliance info for the G3X
LRUs.
C.1 GAD 29
C.1.1 Environmental Specifications
The GAD 29 has an Operating Temperature Range of -45° C to +70° C
C.2 GAP 26
C.2.1 Environmental Specifications
The GAP 26 has an Operating Temperature Range of -55° C to 240° C
C.3 GDU 37X
C.3.1 GPS Specifications
The GDU 37X uses a high-sensitivity GPS receiver that continuously tracks and uses up to 12 satellites to
compute and update its position. In an installation with multiple GDU 37X units, each GDU can be
configured to use its own internal GPS receiver, or to receive GPS data transmitted by another GDU. At
least one GDU must be equipped with a GPS antenna. See
(for GDU 37X systems) and
for (GDU 4XX systems) for further information.
C.3.2 Environmental Specifications
The GDU 37X has an Operating Temperature Range of -20°C to +60°C.
Table C-1 GDU 37X GPS Specifications
Characteristics
Specifications
Acquisition Time
a) Warm Start (position known to 10 nm, time known to 10 minutes, with
valid almanac and ephemeris): Less than 5 seconds
b) Cold Start (position known to 300 nm, time known to 10 minutes, with
valid almanac): Less than 45 seconds
c) AutoLocate™ (with almanac, without initial position or time): Less than 60
seconds
Update Rate
5/second, continuous
Positional Accuracy
<10 meters
Antenna Power Supply
Voltage (4.5 to 5.0), current (50 mA max)
