C.20 st status – Trimble Outdoors SK8 User Manual
Page 168
C-22
Lassen-SK8 Embedded GPS Module
Trimble ASCII Interface Protocol (TAIP)
C.20
ST Status
Data String Format:
AABCDDEFGG
*
Note – This message provides information about the satellite tracking status and the
operational health of the sensor. This information is contained in five status bytes which
are output as five 2 digit hexadecimal values. The data format and the meanings of the
hex characters are given in the following tables.
Table C-20.
Data String Hex Characters
Table C-21.
Tracking Status Code
*
Note – In the tables below, an X in a column means that fault is being reported.
Item
# of Char
UNITS
Format
Tracking Status Code
2
n/a
AA
(see table below)
Status Codes - Nibble 1
1
n/a
B
(see table below)
Status Codes - Nibble 2
1
n/a
C
(see table below)
Machine ID
2
n/a
DD
Status Codes - Nibble 3
1
n/a
E
not currently used
Status Codes - Nibble 4
1
n/a
F
see table below
reserved
2
n/a
GG
not currently used
Value
AA Meaning
00
Doing position fixes
01
Don't have GPS time yet
02
Not used
03
PDOP is too high
08
No usable satellites
09
Only 1 usable satellite
0A
Only 2 usable satellites
0B
Only 3 usable satellites
0C
6-Ch units only: the chosen satellite is unusable.