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C-26 Lassen-SK8 Embedded GPS Module
Trimble ASCII Interface Protocol (TAIP)
The format for using the S qualifier with the TM message is:
>STMAABBCCDDDEEFFFFGGGGGGGGGGG<
Where:
Fields AA through GGGG must be downloaded but the remaining fields may be filled
with zeros (0) to create a total data stream of 28 characters. For warm-start performance,
downloaded time must only be accurate to ±5 minutes so the entire field may be filled with
zeros. However if you wish to specify seconds, use a format such as 08150 to represent
8.15 seconds. The reserved field, GGGGGGGGGGG, should be filled with zeros.
Example:
When the >STM1925000002806199400000000000< message is sent to the GPS receiver,
it specifies that the receiver should set its internal time to 19:25 (7:25 PM) UTC, 28 June
1994. The time downloaded to the receiver should be accurate to ±5 minutes (use UTC,
not local time) for optimum warm start or hot start acquisition.
C.22 VR Version Number
Data String Format:
XXXXXXX;VERSION A.AA(BB/BB/BB); CORE VERSION C.CC (DD/
DD/DD); E
Table C-26. Version Number Data String Descriptions
> Start of message delimiter
S Set message qualifier
TM Time message identifier
AA Hours, UTC time of day
BB Minutes, UTC time of day
CCCCC Seconds, UTC time of day to three decimal places
DD Day
EE Month
FFFF Year
GGGGGGGGGGG Reserved (fill with zeros)
< End of message delimiter
Item # of Char UNITS Format
Product Name n/a n/a n/a
Major Version number 4 n/a A.AA
Major Release Date 8 n/a BB/BB/BB