Leica GR10, Руководство по эксплуатации

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Appendix B: NMEA Messages
275
•
Two fixed digits of degrees, two fixed digits of
minutes and a variable number of digits for
decimal fraction of minutes.
•
Leading zeros are always included for
degrees and minutes to maintain fixed length.
yyyyy.yy Longitude •
Degreesminutes.decimal
•
Three fixed digits of degrees, two fixed digits
of minutes and a variable number of digits for
decimal fraction of minutes.
•
Leading zeros are always included for
degrees and minutes to maintain fixed length.
00937.046785
eeeeee.eee Grid Easting At the most six fixed digits for metres and three
fixed digits for decimal fractions of metres. 195233.507
nnnnnn.nnn Grid
Northing At the most six fixed digits for metres and three
fixed digits for decimal fractions of metres. 127223.793
hhmmss.ss Time
•
hoursminutesseconds.decimal
•
Two fixed digits of hours, two fixed digits of
minutes, two fixed digits of seconds and a
variable number of digits for decimal fraction
of seconds.
•
Leading zeros are always included for hours,
minutes and seconds to maintain fixed
length.
115744.00
mmddyy Date •
Monthdayyear - two fixed digits of month, two
fixed digits of day, two fixed digits of year.
•
Leading zeros always included for month,
day and year to maintain fixed length.
093003
No specific
symbol
Defined field •
Some fields are specified to contain
predefined constants, most often alpha
characters.
•
Such a field is indicated by the presence of
one or more valid characters. Excluded from
the list of valid characters are the following
that are used to indicate other field types: A,
a, c, x, hh, hhmmss.ss, llll.ll, yyyyy.yy.
M
Numeric value fields
Sy bol m Field Description Example
x.x Variable
numbers •
Integer or floating numeric field
•
Optional leading and trailing zeros. Decimal
point and associated decimal-fraction are
optional if full resolution is not required.
73.10 = 73.1 =
073.1 = 73
hh_ Fixed HEX
field Fixed length HEX numbers 3F