! SAMPLE: ! 1D Vertical Network (Distance Weighted) ! Hgt Diff Obs ! Define datum ! Not really used in this type of network, but required in most projects ! 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; M; D ! Station to be fixed in 1D (add _HGT_FIX line for each fixed station) _HGT_FIX; BOON ! _ADJUST_ keywords ! Keywords starting with _ADJUST_ are used in the Adjust From File option; they are ignored during Import. ! Indicates the type of adjustment _ADJUST_1D_HGT ! Indicates the Weight Strategy ! 0 - Num Setups, 1 - Distance, 2 - Standard Deviation _ADJUST_1D_WGT; 1 ! 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 ! Confidence level for reporting _ADJUST_CONFIDENCE_LEVEL; 0.95 ! 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; BOON; 0; 0; 100.0; 0; 0; 0; 0; 0; 0.02; 0; 0; 0; 0; 0 ! Observations ! At Name; To Name, Hgt Diff, Hgt Diff Distance (approximate distance between points) _OBS_HGTDIFF; BOON; COOP; 2.56916; 25.0 _OBS_HGTDIFF; BOON; GONE; -0.44714; 14.0 _OBS_HGTDIFF; COOP; DEED; 5.09749; 36.0 _OBS_HGTDIFF; COOP; FARGO; -1.98974; 49.0 _OBS_HGTDIFF; DEED; ECHO; -3.82921; 27.0 _OBS_HGTDIFF; ECHO; FARGO; -3.26777; 41.0 _OBS_HGTDIFF; FARGO; GONE; -1.02169; 17.0