Dilution of precision (DOP): Difference between revisions
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'''urn:mrn:iala:dic:4-4-0450''' | |||
The factor by which the accuracy of a GNSS, or other radio-navigation system position and time co-ordinates are degraded by geometrical considerations of the constellation of GNSS satellites used by the receiver. | The factor by which the accuracy of a GNSS, or other radio-navigation system position and time co-ordinates are degraded by geometrical considerations of the constellation of GNSS satellites used by the receiver. | ||
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{{languages|Dilution of precision (DOP)}} | {{languages|Dilution of precision (DOP)}} | ||
[[Category: | [[Category:4.4 Other Radio Navigation Systems]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 2009 Edition]] | [[Category:IALA Dictionary 2009 Edition]] | ||
[[Category:IALA Dictionary 2023 Revision]] | |||
Latest revision as of 12:36, 17 September 2026
The factor by which the accuracy of a GNSS, or other radio-navigation system position and time co-ordinates are degraded by geometrical considerations of the constellation of GNSS satellites used by the receiver.
– Geometric dilution of precision (GDOP). The factor for the combined 3D-position and time accuracy.
– Position dilution of precision (PDOP). The factor for the 3D-position accuracy.
– Horizontal dilution of precision (HDOP). The factor for the horizontal position accuracy.
– Vertical dilution of precision (VDOP). The factor for the vertical accuracy.
– Time dilution of precision (TDOP). The factor for the time accuracy.
Source: Nick Ward, Vicechair, IALA e-Nav Committee, March 2009
