Error analysis for the Global Positioning System | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-15

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_Positioning_System


00:00:54 1 Overview
00:07:03 2 Signal arrival time measurement
00:09:33 3 Atmospheric effects
00:13:23 4 Multipath effects
00:14:50 5 Ephemeris and clock errors
00:16:43 6 Geometric dilution of precision computation (GDOP)
00:16:56 6.1 Computation of geometric dilution of precision
00:30:15 6.2 Derivation of equations for computing geometric dilution of precision
00:54:28 7 Selective availability
00:58:37 8 Anti-spoofing
00:59:31 9 Relativity
01:00:21 9.1 Special and general relativity
01:01:27 9.2 Calculation of time dilation
01:03:55 9.3 Sagnac distortion
01:10:45 10 Natural sources of interference
01:11:14 11 Artificial sources of interference
01:14:14 12 See also
01:14:36 13 Notes
01:14:46 14 References
01:15:35 15 External links
01:17:10 Artificial sources of interference
01:20:26 See also



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SUMMARY
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The analysis of errors computed using the Global Positioning System is important for understanding how GPS works, and for knowing what magnitude of errors should be expected. The Global Positioning System makes corrections for receiver clock errors and other effects but there are still residual errors which are not corrected. The Global Positioning System (GPS) was created by the United States Department of Defense (DOD) in the 1970s. It has come to be widely used for navigation both by the U.S. military and the general public.
GPS receiver position is computed based on data received from the satellites. Errors depend on geometric dilution of precision and the sources listed in the table below.