Applanix POS MV V4 - Table 15: $INHDT Sentence Format; Table 16: $INVTG Sentence Format

POS MV V4 User Guide
Interfaces and Data Formats
Copyright © Applanix Corporation, 2009
3-10
3. $INHDT: Heading - True Data
True vessel heading is in degrees. POS MV supplies information in
the following ASCII NMEA 0183 sentence format.
$INHDT,xxx.x,T*hh<CRLF>
Table 15: $INHDT Sentence Format
Item Definition Value Units (If Applicable)
$INHDT Header $INHDT
xxx.x True vessel
heading in the
vessel frame
000.0 to 359.9 degrees|decimal degrees
3 fixed digits for degrees
1 digit for decimal degrees
T True T
*hh Checksum N/A
<CRLF> Carriage return
and line feed
<CRLF>
4. $INVTG: Course Over Ground and Ground Speed Data
Actual course and speed relative to the ground. POS MV supplies
information in the following ASCII NMEA 0183 sentence format.
$INVTG,xxx.x,T,,M,n.n,N,k.k,K*hh<CRLF>
Table 16: $INVTG Sentence Format
Item Definition Value Units (If Applicable)
$INVTG Header $INVTG
xxx.x True vessel
track in the
vessel frame
000.0 to 359.9 degrees|decimal degrees
3 fixed digits for degrees
1 digit for decimal degrees
T True T
Null Not supported null