ashtech DG16 Reference Manual page 306

$GPZDA,m1,d2,d3,d4,d5,d6*hh
Table 8.58 outlines the message format.
Field
m1
d2
d3
d4
d5
d6
*hh
Typical ZDA message:
$GPZDA,222835.10,21,07,1999,-07,00*4D
Table 8.59 outlines the response message.
286
Table 8.58. $GPZDA Message Format
Description
UTC time
Current day
Current month
Current year
Local time zone offset from UTC time (hours)
Local time zone offset from UTC time
(minutes). This value has the same sign [+\-]
as d5, but the sign is not displayed for this field
Checksum
Table 8.59. Typical ZDA Message
Field
$GPZDA Message header
222835.10 Current UTC time
21 Current day
07 Current month
1999 Current year
-07 Local time zone offset from UTC
(hours)
00 Local time zone offset from UTC
(minutes)
4D Checksum
DG14 and DG16 Board & Sensor Reference Manual
000000.00 to
235959.90
01 to 31
01 to 12
0000 to 9999
-13 to +13
00 to 59
2-character hex
Description
Range