M e r i d i a n I I U s e r M a n u a l
108
C H A P T E R T E N
109
M e r i d i a n I I U s e r M a n u a l
R E A R - P A N E L I / O
NENA1
<CR><LF>Q^WWW^DDMMMYY^HH:MM:SS<CR><LF>
Q
is the time quality indicator and may be either:
<space> ASCII space character (0x20) which indicates locked.
? ASCII question mark (0x3F) which indicates the unsynchronized condition.
^
is the space character (0x20).
WWW
is the day-of-week (MON, TUE, WED, THU, FRI, SAT
DD
is the day-of-month (1-31)
MMM
is the month (JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC)
YY
is the two-digit year
:
is the colon character (0x3A)
HH
is the hour-of-the-day (00-23)
MM
is the minute-of-the-hour (00-59)
SS
is the second-of-the-minute (00-60)
<CR>
is the ASCII carriage return character (0x0D).
The first <CR> is the on-time character.
<LF>
is the ASCII line feed character (0x0A)
NENA8
<CR><LF>Q^^YYYY^DDD^HH:MM:SS^D+ZZ<CR><LF>
Q
is the time quality indicator and may be either:
<space> ASCII space character (0x20) which indicates locked.
? ASCII question mark (0x3F) which indicates the unsynchronized condition.
^
is the space character (0x20).
YYYY
is the four-digit year
DDD
is the day-of-year (001-366)
:
is the colon character (0x3A)
HH
is the hour-of-the-day (00-23)
MM
is the minute-of-the-hour (00-59)
SS
is the second-of-the-minute (00-60)
d
is the DST indicator (S,I,D,O).
+ZZ
+ or - time zone offset relative to UTC (00-12)
<CR>
is the ASCII carriage return character (0x0D).
The first <CR> is the on-time character.
<LF>
is the ASCII line feed character (0x0A).
NMEA Format
The National Marine Electronics Association (NMEA) has developed a specification that defines the
interface between various pieces of marine electronic equipment. This standard defines “sentences”
that contain GPS position, navigation, time, and other information. Sentences that have been imple-
mented in Meridian II conform to NMEA-0183 Specification Version 3.01 and are GGA, GLL, GSA,
RMC, VTG and ZDA. Your Meridian II can output one, two, or three of these sentences per second.
Not all information defined in the NMEA sentences is available from the GPS Receiver resident in
Meridian II. Following are the definitions for the NMEA sentences as implemented in this product:
Summary of Contents for Meridian II
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