! SAMPLE: ! 2D Local Network ! Mean Project Height ! Hor Angle, Zenith, Chord (Slope Distance), Bearing and Hor Distance Obs ! Define datum ! Datum is used to correct for curvature corrections, mark to mark reductions, etc. ! Datum Name; Semi-Major Axis; 1.0 / Flattening _DATUM; NAD 83; 6378137.000000; 298.257222101 ! Define the Units used in this file ! M - meters, U - US Feet, I - International Feet, C - Chains ! D - DMS, DD - Decimal Degrees, G - Grads (Gons), ! Note: Lat and Lon must always be in DMS format (e.g., 100-30-40.1234 is entered as 100.30401234) _UNITS; U; D ! Station to be fixed in Grid North and East _LAT_NORTH_FIX; A _LON_EAST_FIX; A ! _ADJUST_ keywords ! Keywords starting with _ADJUST_ are used in the Adjust From File option; they are ignored during Import. ! Indicates the type of adjustment (2D Local) _ADJUST_2D_LOCAL ! Define if unknown stations (referenced by observations) should be created at Adjust Time. ! Unknown stations are those not defined in the _STA_COORD record (see below). _ADJUST_CREATE_MISSING_STATION ! Mean height for 2D project _ADJUST_MEAN_2DHGT; 900.0 ! Approximate latitude for curvature corrections, mark to mark reductions, etc. _ADJUST_APPROX_LAT_LON; 40.0; -120.0 ! Define all or simply the known station coordinates here (use _ADJUST_CREATE_MISSING_STATION when not defining all stations) ! Name; Lat; Lon; OrthoHgt; EllipHgt; North; East; NorthSD; EastSD; HgtSD; CorrNE; CorrNH; CorrEH; DeflNS; DeflEW _STA_COORD; A; 0; 0; 1000.0; 980.0; 10000.0; 10000.0; 0.001; 0.001; 0.001; 0; 0; 0; 0; 0 ! Use these SD's. Ignore the SD's defined in the _OBS_HA_SET and _OBS_BEAR_SET records below ! HorAng, Zen, Bear SD in angular second units. Chord and HorDist SD in linear units. _G_HA_SD; 5.0 _G_ZEN_SD; 5.0 _G_CHORD_SD; 0.005 _G_BEAR_SD; 5.0 _G_HOR_DIST_SD; 0.0005 ! Observations ! At Name; To Name; Bs Name; HorAng; HorAng SD; Zenith; Zenith SD; Chord (Slope); Chord SD; Instr Hgt; Targ Hgt _OBS_HA_SET; A; B; F; 298.0213; 0.001; 90.060925; 0.001; 553.81500; 0.050; 0; 0 _OBS_HA_SET; B; C; A; 176.274878; 0.001; 88.482875; 0.001; 184.20500; 0.050; 0; 0 _OBS_HA_SET; C; D; B; 301.3954; 0.001; 92.2139; 0.001; 126.84000; 0.050; 0; 0 _OBS_HA_SET; D; E; C; 240.1643; 0.001; 90.0210; 0.001; 377.02500; 0.050; 0; 0 _OBS_HA_SET; E; F; D; 165.0809; 0.001; 88.3505; 0.001; 218.07000; 0.050; 0; 0 _OBS_HA_SET; F; A; E; 258.2507; 0.001; 90.3952; 0.001; 195.46000; 0.050; 0; 0 ! At Name; To Name; Bearing; Bearing SD; Quadrant; Hor Dist; Hor Dist SD _OBS_BEAR_SET; A; F; 18.0637; 0.001; SE; 195.4385; 0.0005