Gps Statistics Query - Globalstar ST100 User Manual

8545-0194-01 v1.0
4.2.2.19. "GPS Statistics" query
BYTE BITS
0 0 - 7
1 0 - 7
2 0 - 7
3-4 0 - 15
BYTE BITS
0 0 - 7
1 0 - 7
2 0 - 7
3 0 - 7
4-5 0 - 15
6-7 0 - 15
8-9 0 - 15
10-11 0 - 15
12-13 0 - 15
14 0 - 7
15-16 0 - 15
17 0 - 7
18 0 - 7
19-20 0 - 15
ST100 User Manual v1
PARAMETER
Leader
Length
Command Code
CRC
GPS STATISTICS RESPONSE
PARAMETER
Leader
Length
Command Code
Reset Flag
Grand total fixes
Total fix fails
Mean fix time
Last fix time
Fix timeout
GPS Active flag
Fix timeout remaining
Fix quality level
Total sats.
CRC

GPS STATISTICS QUERY

Always a value of 0xAA
0x3A = GPS Statistics Query
0x00 = Device has not reset since the last time this query was issued
0x01 = Device has reset since the last time this query was issued
Number of fixes attempted since the last reset
Total number of times a fix could not be obtained within the fix timeout since the last reset.
Average time to obtain a fix over the last 16 fixes in seconds
Time to obtain the last fix in seconds
Time remaining until the fix times out. If the GPS system is not running, will be zero
3 = 3D fix and Globalstar "fix confidence" level reached.
NOTE: Since the GPS subsystem is switched off as soon as the Globalstar Fix Confidence level
is reached in normal operation, it will be rare to catch a "3" in this field.
Total GPS satellites with a sufficient signal level to be useful, in view.
Confidential & Proprietary Information
DESCRIPTION
0x5
DESCRIPTION
Always a value of 0xAA
0x15
0x3A = GPS Statistics Query
Set fix timeout in seconds
0 = GPS Not active
1 = GPS Active
0 = no fix
1 = 2D fix
2 = 3D fix
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