The Local and Network Accuracy Data Sheet
Program lna_ret Version 2.7.24 Date July 3, 2024
National Geodetic Survey, Retrieval Date = FEBRUARY 20, 2025 10:46:47 EST
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AA2157 ACCURACIES - Complete network and local accuracy information.
AA2157 DESIGNATION - 2 34
AA2157 PID - AA2157
AA2157
AA2157 Horiz and Ellip are the horizontal and ellipsoid height accuracies
AA2157 at the 95% confidence level per Federal Geographic Data Committee
AA2157 Geospatial Positioning Accuracy Standards. SD_N, SD_E and SD_h are
AA2157 the standard deviations (one sigma) of the coordinates (NETWORK) or
AA2157 of the difference in the coordinates (LOCAL) in latitude, longitude
AA2157 and ellipsoid height. CorrNE is the (unitless) correlation
AA2157 coefficient between the latitude and longitude components of either
AA2157 the coordinate (NETWORK) or coordinate difference (LOCAL). Dist is
AA2157 the three-dimensional straight-line slope distance, in km, between
AA2157 station AA2157 and the corresponding local station. Local stations
AA2157 are stations processed simultaneously in a session regardless of
AA2157 distance.
AA2157
AA2157 Accuracy and standard deviation values are given in cm.
AA2157
AA2157 Type/PID Horiz Ellip Dist(km) SD_N SD_E SD_h CorrNE
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AA2157 NETWORK 1.99 6.04 0.81 0.82 3.08 +0.10048618
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AA2157 LOCAL (006 points):
AA2157 AA2158 0.26 3.45 0.68 0.10 0.11 1.76 -0.20258225
AA2157 AA2155 1.28 3.90 8.79 0.51 0.53 1.99 +0.24029135
AA2157 AA2154 1.23 3.90 10.81 0.49 0.51 1.99 +0.26526642
AA2157 AA2153 1.23 3.90 11.17 0.49 0.51 1.99 +0.26505414
AA2157 AA2159 1.30 4.53 11.30 0.47 0.58 2.31 -0.16863131
AA2157 AA2160 1.30 4.43 12.23 0.47 0.58 2.26 -0.16293056
AA2157
AA2157 MEDIAN 1.26 3.90 10.99
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