$ SD DPT, xxxx.x, xxxx.x, *hh <CR><LF>
Sentence
name
Checksum
Start of sentence
Talker device code
Depth (feet)
Draft level (m)
Description
Contents of data field
Checksum: All data before the asterisk (*) except$ characters are EX-ORed and used.
DPT
Depth (With transducer offset, surface to the bottom)
Ver.2.0
MTW
Water temperature
Ver.1.5
VHW
Water speed and ship’s bearing
$ SD MTW, xx, C *hh <CR><LF>
Sentence
name
Talker device code
Temperature( C)
Start of sentence
Checksum
Ver.1.5
$ SD VHW, xxx.x, T, xxx.x, M, xxx.x, N, xxx.x, K *hh <CR><LF>
Sentence
name
Start of sentence
Talker device code
Ship’s bearing (
o
)
(True Bearing)
Ship’s bewaring (o)
(Magnetic Bearing)
Ship’s speed (knt)
Ship’s speed
(km/h))
Checksum
24 0093132312/0093132314