280
406388/B
NMEA HDT datagram
The NMEA HDT datagram provides the true vessel heading. The information is normally
provided by a course gyro.
Format
$--HDT,x.x,T*hh<CR><LF>
Description
1
$—
: Talker identifier
2
HDT
: Datagram identifier
3
x.x,T
: Heading (Degrees True)
4
*hh
: Checksum
NMEA RMC datagram
The NMEA RMC datagram transfers the time, date, position, course and speed data from a
global navigation satellite system (GNSS) receiver.
Format
$--RMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,z.z,ddmmyy,r.r,a,a*hh
Description
1
$—
: Talker identifier
2
RMC
: Datagram identifier
3
hhmmss.ss
: Coordinated Universal Time (UTC) of the current position
4
A
: Status
A
= The data are valid.
V
= The data are not valid.
5
llll.ll,a
: Latitude North/South (Degrees, minutes and hundredths)
N
= North
S
= South
Simrad TV80 Reference Manual
Содержание TV80
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