Nauticast A2 Benutzerhandbuch Seite 58

8.1.4 GLL – Geographic position, latitude/longitude
$--GLL,llll.ll,a,yyyy.yy,a,hhmmss.ss,A,a
Field
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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
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8.1.6 HDT - Heading, True
The use of this sentence is talker identifier dependent.
$--HDT,x.x,T
Field
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NOTE: HDT input must be sent at least every 3 seconds for the NAUTICAST A2 to calculate ROT from the HDT
input.
Format Name
--GLL Sentence Id
llll.ll
Latitude
a
yyyy.yy
Longitude
a
hhmmss.s
UTC of position
s
A Status
a Mode indicator
Format Name
--GLL Sentence Id
hhmmss.s
UTC of position
s
llll.ll
Latitude
a
yyyy.yy
Longitude
a
c--c Mode indicator
xx Total number of satellites
x.x HDOP
x.x Antenna altitude, meter
x.x Geodial separation
x.x Age of differential corrections
x.x Differential reference station ID
Format Name
--HDG Sentence Id
x.x
Heading, degrees true
T
Seite 58 von 84
Comment
Used
Used
Used
UTC Second is used to indicate Time
Stamp
Used
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
Comment
Used
UTC Second is used to indicate Time
Stamp
Used
Used
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
Used when the GPS source is the internal
GPS (used in proprietary sentences)
Ignored
Ignored
Ignored
Ignored
Ignored
Comment
Used
Used
1001001-2DE A2 Benutzerhandbuch 2_2