GGA
- Global Positioning System Fix Data:
Time,
position a n d f i x related data for GPS receiver.
This sentence
is
available in MK8 with differential software
and
only.
Field:
1
2
3 4
5 6 7 8
9
11
1 2
1 3
14
1111.1111,
a ,
x,
x ,
explanation:
1.
UTC o f Position
2. GPS Latitude
3.Latitude.N
or S
4.
GPS
Longitude
5. Longitude E
or
W
6.
G P S
Quality indicator
(0
=
GPS n o t available
or
invalid,
1
=
GPS
fix,
2
=
Differential
GPS
f i x )
7.
Number
of
Satellites being used
8. Horizontal
dilution
of
precision
9. A n t e n n a height
10.
Units
of
antenna height, meters
Geoidal Separation (the difference b e t w e e n the
84 earth
ellipsoid a n d mean-sea-level (geoid)
12. Units o f
separation, meters
1 3 . A g e o f Differential
G P S
data
14.
Differential reference station
ID,
0000
-
1023
- Routes
identifiers, listed in order w i t h starting w a y p o i n t
first.
This sentence
is
available in
only.
field:
2
3
5
6
7
8
explanation:
2. Total number o f messages being transmitted (always
1
(one))
3.
Message number (always 1 ( o n e ) )
4.
Message
mode:
c
=
complete route, all waypoints
5.
Route identifier (always
00)
6.
Way o
n
t
id en
ti
f
i
e
7. Additional waypoint identifiers
8. W a y p o i n t
identifier
- Track M a d e Good and Ground Speed:
The actual track made g o o d and speed over ground,
COG
and
f i e l d :
2
3
5
7
8
9
2.
Track degrees
3. True,
T
4.
Track degrees
5.
Magnetic,
M
6.
Speed
over ground
7.
Knots,
N
8.
Speed over ground
9. Kilometres per
hour,
Summary of Contents for MK8
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