The GPSSU provides ARINC 429 high speed output data in three different data
formats as listed in the following tables. Table 15-3 lists those
words
that are transmitted in Binary (BNR) data format. Table 15-4 lists those
words that are transmitted in Binary
Coded Decimal (BCD) data format.
Table
15-5 lists those words that are transmitted in the
DIS data format, and
whose bits denote specific discretes.
The output data is updated
approximately once per second.
Specific digital data word format can be
found in the Installation Manual for the GPSSU, Pub. No. 95-8698.
Binary (BNR) Data Format
Label Units
Digital
Parameter/Signal Name
Range
Resolution
Pseudo Range
Pseudo Range Fine
Pseudo Range Rate
Delta Range
Satellite Position X
Satellite Position X Fine
Satellite Position Y
Satellite Position Y Fine
Satellite Position Z
Satellite Position Z Fine
UTC Measure Time
GPS Altitude (MSL)
HDOP
VDOP
Track Angle - True
GPS Latitude
GPS Longitude
GPS Ground Speed
Latitude Fractions
Longitude Fractions
Vertical Figure of Merit
UTC Fine
UTC Fine Fractions
UTC
Vertical Velocity
N/S Velocity
E/W Velocity
Horizontal Figure of Merit
061
062
063
064
065
066
070
071
072
073
074
076
101
102
103
110
111
112
120
121
136
140
141
150
165
166
174
247
Meters
Meters
Meters/Second
Meters
Meters
Meters
Meters
Meters
Meters
Meters
Seconds
Feet
Degrees
Degrees
Degrees
Knots
Degrees
Degrees
Meters
Seconds
Seconds
HR:MIN:SEC
Feet/Minute
Knots
Knots
Meters
&26&13!j456
256
~4096
*4096
~67108864
64
~67108864
64
~67108864
64
10
~131072
1024
1024
~180
~18t)
~18(1
4096
1.716E-4
1.716E-4
1024
19.537E-7
9.537E-7
23:59:59
*32768
*4096
~4096
1024
256
0.125
0.0039
0.0039
64
0.0039
64
0.0039
64
0.0039
9.5367E-6
0.125
0.031
0.031
0.0055
1.716E-4
1.716E-4
0.125
8.38E-8
8.38E-8
0.031
9.313E-1
1
1.0
0.125
0.125
0.031
GPSSU ARINC 429 Output Data (BNR Format)
Table 15-3
22-14-00
Page 198.207
Apr 15/93
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