The maximum altitude possible is 6,053.4 m.The maximum speed possible is 65,535 mm/s which equals 65.535 m/s = 235.926 km/h.Speed and altitude are 16-bit integers in FIT files, which have the following limitations: Scaling the outputs of a GPS / GNSS chip does not increase the resolution, it just gives the illusion of it. In principle “semicircles” use 32-bit signed integers more effectively, but in reality they have no real benefit. Since the mm before the decimal point is whole minutes (00 - 60), overall resolution is only 60% of the SiRF and ublox binary formats which provide 7 decimal digits. GPS / GNSS chips outputting NMEA data typically provide a maximum precision of ddmm.mmmmm for latitude and dddmm.mmmmm for longitude. Latitude and longitude are specified in “semicircles” in FIT files, which are 32-bit signed integers. HDOP provides exactly 1 decimal place in COROS FIT files.COG is currently an integer in COROS FIT files.COG, satellites and HDOP are only available in COROS FIT files.Vertical speed is only present in Suunto FIT files.Speed and enhanced speed are recorded in mm/s, providing up to 3 decimal places for m/s.Altitude and enhanced altitude are recorded to the nearest 0.2m.Altitude and speed are unused because enhanced altitude and speed are better see section below.Latitude + longitude are converted to degrees and rounded to 7 decimal places see section below.The following data fields are supported by the FIT loader: FIT Name Gps-wizard FIT - Flexible and Interoperable Data Transfer
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