SelfSync

Chrono shot session message

The chrono shot session message summarizes a session of a ballistic chronograph: number of shots, projectile and speed statistics.

FIT name
chrono_shot_session
Global message number
387
JavaScript SDK key
chronoShotSessionMesgs
Fields
9

Fields

  • timestampDateTime

    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.

  • minSpeedFloat64m/s

    Lowest speed measured.

  • maxSpeedFloat64m/s

    Highest speed measured.

  • avgSpeedFloat64m/s

    Average speed of the projectiles.

  • shotCountUint16

    Number of shots.

  • Kind of projectile: arrow, rifle or pistol cartridge, shotshell, pellet…

    6 possible values
    • other
    • arrow
    • rifleCartridge
    • pistolCartridge
    • shotshell
    • airRiflePellet
  • grainWeightFloat64gr

    Weight of the projectile, in grains.

  • Standard deviation of the speeds.

  • mesgNumString

    Global message number identifying the kind of message. Decoders use it to know which profile to apply to the data.

Other other messages

See all the FIT messages