T-45C TS, ADV & IUT ENG-24
GINA Operating Characteristics
A.
GPS component card is designed and built by
ROCKWELL-COLLINS (division of ROCKWELL not
owned by BOEING)
B.
Single electronic slot card
1.
ROCKWELL-COLLINS model: GPS Embedded
Module-3 (GEM-3)
INSTRUCTOR NOTES
At time of this writing three (3) companies are in competition to
produce the next generation embedded GPS system for
Government Furnished Equipment (GFE), already designated
GEM-4. The winning product will likely contain 8-12 satellite
channels and RAIM capability. It is expected that additional
GPS satellites will be launched to capitalize on enhanced
GEM-4 capabilities.
2.
Dimensions: 5.88 x 5.85 x 0.57 inches
3.
Weight: 1.5 pounds (approximate)
C.
Five (5) satellite communication channel capability
1.
Four (4) channels used to receive data from four
(4) GPS navigation satellites
2.
Fifth GPS channel used to repeatedly interrogate
all satellites in view so GPS processor can chose
the best four (4) GPS satellites to use for the
navigation solution
D.
Satellites used for navigation
1.
Requires lock-on to four (4) satellites for optimum
operation
Original (9-98)
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