GR-91
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
No.1-1, Innovation Rd.1, Hsinchu Science Park, Hsinchu, Taiwan(R.O.C)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:[email protected] http:www.holux.com.tw
20
5.1.9 ZDA—SiRF Timing Message
Outputs the time associated with the current 1 PPS pulse. Each message will
be output within a few hundred ms after the 1 PPS pulse is output and will tell
the time of the pulse that just occurred.
Table 4-12 contains the values for the following example:
$GPZDA,181813,14,10,2003,00,00*4F
Table 4-12 ZDA Data Format
Name
Example
Units
Description
Message ID
$GPZDA
ZDA protocol header
UTC Time
181813
Either using valid IONO/UTC or
estimated from default leap seconds
Day
14
01 TO 31
Month
10
01 TO 12
Year
2003
1980 to 2079
Local zone hour
00
knots
Offset from UTC (set to 00)
Local zone hour
00
Offset from UTC (set to 00)
Checksum
4F
<CR> <LF>
End of message termination
