Google Navigator Tracklines (.trl) (gnav_trl)
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## Google Navigator Tracklines (.trl) (gnav_trl)

This format can...

- read and write tracks

Binary (little endian) tracklogs containing coordinates, timestamps and altitude values.

Google Navigator is an application for PDAs running under Windows Mobile 5.0 or 6.0.

Table 3.4. Track point structure (16 bytes)

Position | Data type | Field info
--- | --- | ---
0 | 32-bit signed int | Unix timestamp
4 | 32-bit float | Latitude
8 | 32-bit float | Longitude
12 | 32-bit float | Altitude (!rotated left by eight bits!)

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