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ACCORDING
TO
N M E A 01
RMC - Recommended
Time, date, position, course and speed data provided by
er. Checksum is mandatory in this sentence. This sentence is transmitted a t
intervals n o t exceeding 2 seconds, and is always accompanied by RMB w h e n a
destination waypoint is selected. All data fields m u s t be provided, null fields
used only w h e n data are temporarily unavailable.
f i e l d : 2
3 4
explanation:
2. UTC of position
3. Status A or V, A
4. Latitude of fix
or
5.
North
Longitude
7. East or West, E/W
8. Speed over ground, Knots
9.
Track made good (COG), degrees true
1 1. Magnetic variation, degrees
12. East or West, E/W
1 3 . Checksum delimiter and checksum
RMB - Recommended Minimum Navigation Information:
Navigation data
from present position to the first
sailplan. This sentence always accompanies the RMC, w h e n a destination
waypoint is selected. Checksum is mandatory in this sentence.
f i e l d :
3
2
4 5
explanation:
2. Status
A
3. Magnitude
4. Direction to steer, L
5. Origin waypoint identifier
6.
Destination
7. Destination waypoint latitude
8. North or South, N E
9. Destination waypoint longitude
10. East or West, E/W
1 2 . Bearing t o destination, degrees true
13. Destination closing velocity, knots
14. N o t transmitted
15. Checksum delimiter and checksum
Note 1: if the
2:
Note
i f the range exceeds 999.9
83,
VERSION
Minimum Specific GPS data:
5 6
fix
updating
if
South, N/S
of
fix
6
7
1 1 1 1 1 ,
V, A if updating is
or
of
cross-track-error, nautical miles (see Note 11
R
or
identifier
waypoint
from the
Nm,
exceeds 9 . 9 9
Nm,
OF
1992, JANUARY 1, 1552.
the
9
10
7 8
updating
is OK, V if
destination
10 11
12
OK,
V if updating is stopped
9.99 will be
sent
will
b e sent
9 9 9 . 9
1 2
11
1 3
stopped
i s
waypoint in the
1 3
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