Tr imble r7 and r8 zda – Trimble Outdoors R7 User Manual
Page 199
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Trimble R7/R8 GPS Receiver User Guide 1 8 7
NMEA-0183 Output A
Tr
imble R7 and
R8
ZDA
UTC Day, Month, And Year, and Local Time Zone Offset
An example of the ZDA message string is shown below. Table A.16
describes the message fields.
$GPZDA,172809,12,07,1996,00,00*45
Fields 5 and 6 together yield the total offset. For example, if field 5 is
–5 and field 6 is +15, local time is 5 hours and 15 minutes earlier than
GMT.
Table A.16
ZDA message fields
Field
Meaning
1
UTC
2
Day, ranging between 01 and 31
3
Month, ranging between 01 and 12
4
Year
5
Local time zone offset from GMT, ranging from 00 to ±13 hours
6
Local time zone offset from GMT, ranging from 00 to 59 minutes
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