DCT Syrus - PV - Position and Velocity Data Format

rev1 – Dec 2013 www.digitalcomtech.com 35
PV - Position-velocity
Qualifiers: Q, R.
This message gives the unit's current position, velocity, heading, source of
information and age of the data. The message has the following format:
AAAAABBBCCCCCDDDDEEEEEFFFGGGHI
o AAAAA: Time of day. Time of the generated report. This number represent the
seconds elapsed since 00:00 of the current day.
o BBBCCCCC: WGS-84 Latitude. It does include the sign: Positive for
north. BBB represents a value in degrees and CCCCC parts of a degree in
decimals.
o DDDDEEEEE: WGS-84 Longitude. It does include the sign: Positive for
east. DDDD represents a value in degrees and EEEEE parts of a degree in
decimals.
o FFF: Vehicle velocity.
o GGG: Vehicle heading, in degrees from North increasing eastwardly.
o H: Position fix mode:
 0: 2D GPS
 1: 3D GPS
 2: 2D DGPS
 3: 3D DGPS
 9: Unknown
o I: Age of data used for the report:
 0: Not available
 1: Old, 10 seconds
 2: Fresh, <10 seconds
 9: GPS Fail
For example, the response for this message could look like this:
>RPV69311+2578378-0802936300125532<
Indicating that the report was generated at 19:15:11 GMT with
coordinates +2578378 latitude and -08029363 longitude, with a speed
of 001mph and a heading of 255 degress, with 3D DGPS fix mode and the age of the
data was recent.