workgroup:airspace:documentation:datum
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This shows you the differences between two versions of the page.
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workgroup:airspace:documentation:datum [2016/01/04 09:08] Rob Garfoot created |
workgroup:airspace:documentation:datum [2016/09/19 06:39] (current) elle gonzalez [Table] |
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| ===== Altitude ===== | ===== Altitude ===== | ||
| Some possible data used for altitude measurements. | Some possible data used for altitude measurements. | ||
| - | ^ Datum ^ Name ^ Description ^ | + | ^ Datum ^ Name ^ Description ^ |
| - | | AGL | Above ground level | The altitude from ground level at a known lat/long. | | + | | AGL | Above ground level | The altitude from ground level at a known lat/long. | |
| - | | MSL | Mean sea level | The mean sea level for a known lat/long or region (e.g. US). | | + | | MSL | Mean sea level | The mean sea level for a known lat/long or region (e.g. US). | |
| - | | SFC | Surface | The surface, typically 0 AGL. | | + | | SFC | Surface | The surface, typically 0 AGL. | |
| - | | SPS | Standard pressure setting | The flight level in meters as measured at standard pressure setting (1013.2 mb). **Note: This is a moving datum.** | | + | | SPS | Standard pressure setting | The flight level in meters as measured at [[http://qwikfix.co.uk/dvla-contact/|standard]] pressure setting (1013.2 mb). **Note: This is a moving datum.** | |
| - | | WGS84 | WGS84 (GPS) | The WGS84 datum used by GPS. | | + | | WGS84 | WGS84 (GPS) | The WGS84 datum used by GPS. | |
workgroup/airspace/documentation/datum.1451898530.txt.gz · Last modified: 2016/01/04 09:08 by Rob Garfoot
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