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|  MIL-D-70789A (AR)
APPENDIX B
**************************************************************************
30.2.3 COMMAND: RETURN STATUS
From: Prime System to: DRU
This command asks the DRU to transmit current STATUS to the prime
Function:
system.
DRU Response:
STATUS DATA message
COMMAND STRUCTURE
ERROR DET. CODE
DATA
SEQUENCE
COMMAND
FLAG(F)
CHARACTERS(E)
CHARACTERS(D)
NUMBER(N) CODE(C)
FLAG(F)
01111110
16 Bits
NONE
10000
01111110
XXX
*************************************************************************
RETURN NAVIGATION DATA
30.2.4 Command:
From:
Prime System to: DRU
This data request command asks the DRU to transmit current
Function:
navigation data consisting of: position, attitude, hemisphere, zone,
spheroid, distance traveled, pointing device geodetic or grid azimuth, and
vehicle attitudes to the prime system.
NAVIGATION DATA Message
DRU Response:
COMMANDSTRUCTURE
ERROR DET. CODE
DATA
SEQUENCE
COMAND
FLAG(F)
CHARACTERS(E)
CHARACTERS(D)
NUMBER(N)
CODE(C)
FLAG(F)
0111110
16 Bits
NONE
10001
01111110
XXX
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