This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
| standards:gpx_extensions [2012/08/11 00:25] mjallison [Extensions] | standards:gpx_extensions [2013/10/24 16:27] (current) mjallison [Extensions] | ||
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| Line 100: | Line 100: | ||
| Valid provider names are: | Valid provider names are: | ||
| + | * Altus | ||
| + | * AltusCell | ||
| * Leica | * Leica | ||
| * LeicaCell | * LeicaCell | ||
| * Topcon | * Topcon | ||
| * TopconCell | * TopconCell | ||
| + | * Trimble | ||
| * NMEA (non RTK quality). | * NMEA (non RTK quality). | ||
| * Builtin (functionally equivalent to an NMEA device, not RTK quality).  | * Builtin (functionally equivalent to an NMEA device, not RTK quality).  | ||
| Line 146: | Line 149: | ||
| **compass** | **compass** | ||
| - | This represents the value of a some sort of compass bearing in use when this point was recorded. Some recording devices may make use of a hardware compass, others may calculate using other criteria. This value is always relative to TRUE NORTH.  | + | This represents the value of a some sort of compass bearing in use when this point was recorded. Some recording devices may make use of a hardware compass, others may calculate using other criteria. This value is always relative to TRUE NORTH and is measured in degrees. | 
| **x** | **x** | ||