TPD Target Position and Depth
A TPD text string in the format displayed below that contains data associated with the tracked target in a format similar to TLL string with the target's depth replacing the target name. When the TPD format is selected as the NMEA serial output the target's depth will be given in the current IPS system units. This means the target's depth will be expressed in meters if meters are the current system units and feet in all other cases.
NOTE: The serial output of target location data in the TPD strings created by IPS will always be with regard to the hydrophone location independent of the reference (R) location.
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$IPTPD,05,2606.102,N,08003.984,W,,0010,f,210918.09,T,*3F
1. Target Number From 0 to 9.
2. Target Latitude.
3. Latitude N. or S.
4 Target Longitude.
5. Longitude E. or W.
6. Target depth in feet [f] or meters [m].
7. UTC of data.
8. Target status.