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Least Squares Adjustment Report
LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 1 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename: DEMO.LSA_DAT Fixed stations : 3 Free stations : 1 Observed distances : 3 Observed angles : 3 Observed directions : 0 Observed bearings : 0 Observed height differences : 0 Grid : Maximum no of iterations : 25 Graphics output : Y Bearing/distance all lines : Y Calculate error ellipses : Y Ellipse display multiplier : 1000 C-O check : distance (m) : 10 C-O check : angle (min) : 10 Observation input complete. Observation validation complete. Beginning least-squares adjustment Iteration number 1 Iteration number 2 Iteration number 3 Horizontal adjustment complete. -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 2 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT FIXED STATIONS STATION EASTING NORTHING R.L. G100 14446.919 10373.700 0.000 291 14781.942 10469.725 0.000 NONAME4 15072.153 10217.925 0.000 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 3 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT OBSERVED DISTANCES FROM TO DISTANCE S.D. G100 44 526.000 0.050 291 44 183.300 0.050 NONAME4 44 267.600 0.050 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 4 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid: Observations filename : DEMO.LSA_DAT OBSERVED ANGLES AT FROM TO ANGLE S.D. G100 291 44 006 09 30.0 5.0 291 G100 44 197 57 00.0 5.0 NONAME4 G100 44 052 28 50.0 5.0 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 5 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT ADJUSTED DISTANCES FROM TO ADJ DIST RESIDUAL G100 44 526.029 0.029 291 44 183.396 0.096 NONAME4 44 267.817 0.217 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 6 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT ADJUSTED ANGLES AT FROM TO ADJ ANGLE RESIDUAL G100 291 44 006 10 01.9 31.9 291 G100 44 197 56 49.7 -10.3 NONAME4 G100 44 052 28 45.9 -4.1 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 7 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT FINAL STATION COORDINATES - HORIZONTAL STATION EASTING NORTHING S.D. (E) S.D. (N) COVARIANCE G100 446.919 10373.700 291 781.942 10469.725 NONAME4 072.153 10217.925 44 14965.231 10463.473 0.007 0.004 -0.000008 Degrees of freedom : 4 Reference Variance used (a priori): 0.25000E-02 Estimated Reference Variance (a posteriori) : 0.42837E-01 Ratio of Estimated/Actual Variance : 17.135 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 8 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT 95% CONFIDENCE ELLIPSE DETAILS FOR FREE HORIZONTAL STATIONS STATION SEMI-MAJOR AXIS SEMI-MINOR AXIS ORIENTATION 44 0.018 0.010 103 -------------------------------------------------------------------------------- LEAST-SQUARES ADJUSTMENT FOR SURVEY NETWORKS 2-Jun-1998 14:28:11 Page 9 Survey name : DEMO Survey date : 2-Jun-1998 Map Grid : Observations filename : DEMO.LSA_DAT SPHEROIDAL DISTANCES AND GRID BEARINGS OF OBSERVED LINES AT TO SPH. DIST FWD BEARING BACK BEARING G100 291 348.513 074 00 23.5 254 00 23.5 G100 NONAME4 644.347 103 59 24.8 283 59 24.8 G100 44 526.029 080 10 25.4 260 10 25.4 291 44 183.396 091 57 13.2 271 57 13.2 NONAME4 44 267.817 336 28 10.7 156 28 10.7 **End of report**
