Users manual
N4430-O-G
Revision #:
B
Date:
8-23-18
Page
28
of
74
RMC
–
Recommended Minimum Navigation Information
△
6
Format:
$XXRMC , hhmmss.sss , a , ddmm.mmmm , a , dddmm.mmmm , a , x.x ,
1
2
3
4
5
6
7
x.x , ddmmyy , x.x ,
a
, a ,
a
*hh <CR> <LF>
8
9
10
11
12
13
#
Description
Range
1.
UTC
“hh”:
hour
00 - 23
“mm”:
minute
00 - 59
“ss.sss”:
second
00.000 - 59.999
2.
Status
△
6
A or V
“A”: Data
valid
“V”:
Data not valid
3-4.
Latitude
“dd”:
degree
00 - 90
“mm.mmmm”:
minute
00.0000 - 59.9999
“a”:
North/South
N or S
5-6.
Longitude
“ddd”:
degree
000 - 180
“mm.mmmm”:
minute
00.0000 - 59.9999
“a”:
East/West
E or W
7.
Speed (kts)
8.
True Course (degree)
9.
Date
“dd”:
date
“mm”:
month
“yy”:
last two digits of the year
10.
Magnetic declination
Note: A null field is output unless magnetic declination information is available.
11.
Correction direction of magnetic declination
Note: A null field is output unless magnetic declination information is available.
12.
Positioning System Mode Indication
A, D or N
“A”:
Autonomous
“D”:
Differential
“N”: Data
Invalid
13.
Navigation Status Indicator
S, C, U or V
“S”:
Safe
“C”:
Caution
“U”:
Unsafe
“V”:
Not Valid
