The timestamp correlation message links the system time of the device with UTC and local time, so that timestamps recorded in system time can be converted.
UTC time at the correlation.
Fractional part of the UTC timestamp.
System time of the device at the correlation.
Fractional part of the system timestamp.
Same instant as the timestamp, but expressed in local time. The difference between both gives the UTC offset (time zone and daylight saving time) at the time of recording.
Millisecond part of the timestamp, for sub-second precision.
Millisecond part of the system timestamp.
mesgNumStringGlobal message number identifying the kind of message. Decoders use it to know which profile to apply to the data.