Saab R5 - GLL Geographic Position Sentence; GNS GNSS Fix Data Sentence

R5 SOLID AIS System
INTERPRETATION OF INPUT SENTENCES
7000 118-200, C2 Page 66
Accuracy
3 -> Position with Low Accuracy
6 -> Dead Reckoning with Low
Accuracy
7 -> Manual mode with low
accuracy
OTHER -> No Position
Used when the GPS is the
internal GPS (Used in
proprietary sentences)
8
xx
Satellites in use
Ignored
9
x.x
Horizontal dilution of
precision
Ignored
10
x.x
Antenna altitude
Ignored
11
M
Units of antenna altitude,
meter
Ignored
12
x.x
Geodial separation
Ignored
13
M
Units of geodial sep.
Ignored
14
x.x
Age of differential GPS data
Ignored
15
xxxx
Differential reference
station ID
Ignored
8.1.4 GLL – Geographic position, latitude/longitude
$--GLL,llll.ll,a,yyyy.yy,a,hhmmss.ss,A,a
Field
Format
Name
Comment
1
--GLL
Sentence Id
Used
2
llll.ll
Latitude
Used
3
a
4
yyyy.yy
Longitude
Used
5
a
6
hhmmss.
ss
UTC of position
UTC Second is used to indicate
Time Stamp
7
A
Status
Used
8
a
Mode indicator
NULL -> Message is ignored
A -> Position with Low Accuracy
D -> Position with High
Accuracy
E -> Dead Reckoning Mode with
Low Accuracy
M-> Manual Mode with Low
Accuracy
OTHER -> No Position
8.1.5 GNS – GNSS fix data
If the Mode Indicator is a NULL field, the sentence is ignored.
$--GNS,hhmmss.ss,llll.ll,a,yyyy.yy,a,c--c,xx,x.x,x.x,x.x,x.x,x.x
Field
Format
Name
Comment
1
--GLL
Sentence Id
Used
2
hhmmss.
ss
UTC of position
UTC Second is used to indicate
Time Stamp
3
llll.ll
Latitude
Used
4
a
5
yyyy.yy
Longitude
Used
6
a
7
c--c
Mode indicator
A, P -> Position with low
accuracy
D, R, F -> Position with high
Accuracy
E -> Dead Reckoning Mode with
Low accuracy
M -> Manual Mode with low
accuracy
OTHER -> No Position
8
xx
Total number of satellites
Used when the GPS source is the
internal GPS (used in
proprietary sentences)