Airmar PB200 - Manual (Page 109)

PB200 WeatherStation User Manual revision 1.000
Proprietary and Confidential
103
NMEA 0183 TRANSMITTED SENTENCE
$GP
ZDA
Summary
NMEA 0183 standard Time and Date.
Syntax
$GPZDA,<1>,<2>,<3>,<4>,<5>,<6>*hh<CR><LF>
Fields
<1> UTC time of day, in the form hhmmss
<2> UTC day, 01 to 31
<3> UTC month, 01 to 12
<4> UTC year (four digits, e.g. 2006)
<5> Local time zone hours, 00 to +/-13 hrs
<6> Local time zone minutes, 00 to +59
Default State
Enabled. Transmitted once per second.
Notes
This sentence may be enabled or disabled via the $PAMTC,EN,ZDA command.
Local time zone is the magnitude of hours plus the magnitude of minutes added,
with the sign of local zone hours, to local time to obtain UTC. Local zone is
generally negative for East longitudes with local exceptions near the International
Date Line.
Examples:
At Chatham Is. (New Zealand) at 1230 (noon) local time on June 10,
1995:
$GPZDA,234500,09,06,1995,-12,45*6C<CR><LF>
In the Cook Islands at 1500 local time on June 10, 1995:
$GPZDA,013000,11,06,1995,10,30*4A<CR><LF>
In the PB200, the local time zone fields in the NMEA 0183 $GPZDA sentence
may only be changed by receiving an NMEA 2000® Command Group Function
PGN 126208 to change the Local Offset field 3 of the Time and Date PGN
129033. (See page 46.) The local time zone is not changeable via the NMEA
0183 interface.