SelfSyncBarometer data message
Barometer data messages store the raw samples of the barometric pressure sensor.
Fields
Moment the message refers to, in UTC. FIT stores it as seconds since the FIT epoch (December 31, 1989, 00:00:00 UTC); decoders usually expose it as a regular date.
Millisecond part of the timestamp, for sub-second precision.
For each sample of the message, offset in milliseconds from the message timestamp at which it was taken.
Barometric pressure samples.
Altitude computed from each sample.
mesgNumStringGlobal message number identifying the kind of message. Decoders use it to know which profile to apply to the data.