Each line of text in a GeoLab IOB (Input OBservation) file is either a comment or a valid GeoLab record which specifies various types of data to be used in a network adjustment or simulation.
This document summarizes specifications and gives descriptions of all GeoLab record types, in the groups below. A full alphabetical list is included at the end of this page.
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Configuration Group
32
- Nov 27, 2019 ADEC: Angle Decimal Places
- Nov 27, 2019 ANGT: Angular Type
- Nov 27, 2019 CDEC: Coordinate Decimal Places
- Nov 27, 2019 CLEV: Confidence Levels
- Nov 27, 2019 COMP: Computation Type
- Nov 27, 2019 CONF: Confidence Regions
- Nov 27, 2019 CONV: Convergence Criterion
- Nov 27, 2019 ELIP: Reference Ellipsoid
- Nov 27, 2019 END: End of Data
- Nov 27, 2019 FCOV: Full Covariance Matrix
- Nov 27, 2019 GRP: Observation Group Name
- Nov 27, 2019 HI: Height of Instrument
- Nov 27, 2019 HIST: Histogram
- Nov 27, 2019 HT: Height of Target
- Nov 27, 2019 LDEC: Linear Decimal Places
- Nov 27, 2019 LUNT: Linear Unit
- Nov 27, 2019 MAXI: Maximum Iterations
- Nov 27, 2019 PADJ: Print Adjusted Values
- Nov 27, 2019 PGEO: Print Geoid Values
- Nov 27, 2019 PMIS: Print Misclosures
- Nov 27, 2019 PRES: Print Residuals
- Nov 27, 2019 PSOL: Print Solution
- Nov 27, 2019 RTST: Residual Test Type
- Nov 27, 2019 SIGM: Sigma-Record
- Nov 27, 2019 TITL: Title
- Nov 27, 2019 VARF: Variance Factor
- Nov 27, 2019 VSCA: Obs Variance Factor
- Nov 27, 2019 VSGL: Global Variance Scale
- Dec 9, 2019 HCLV: HMP Confidence Level
- Dec 9, 2019 HCMP: HMP From and To Stations
- Dec 9, 2019 PREL: Print Reliability
- Dec 14, 2021 SSS/SSE: SideShot Records
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Conventional Observations
15
- Nov 27, 2019 ANGL: Angle Observation
- Nov 27, 2019 AZIM: Azimuth Observation
- Nov 27, 2019 DIR: Direction Observation
- Nov 27, 2019 DIST: Distance Observation
- Nov 27, 2019 DSET: Direction Set Header
- Nov 27, 2019 EDIS: Ellipsoidal Distance Observation
- Nov 27, 2019 EHDF: Ellipsoidal Height Difference
- Nov 27, 2019 EHGT: Ellipsoidal Height
- Nov 27, 2019 GAZI: Geodetic Azimuth Observation
- Nov 27, 2019 GVAN: Local Geodetic Vertical Angle Observation
- Nov 27, 2019 GZAN: Local Geodetic Zenithal Angle Observation
- Nov 27, 2019 OHDF: Orthometric Height Difference
- Nov 27, 2019 OHGT: Orthometric Height
- Nov 27, 2019 VANG: Vertical Angle Observation
- Nov 27, 2019 ZANG: Zenithal Angle Observation
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Coordinate Observations
10
- Nov 26, 2019 2DD: 2D Coordinate Difference Header
- Nov 26, 2019 2DC: 2D Coordinate Group
- Nov 26, 2019 3DC: 3D Coordinate Group
- Nov 26, 2019 3DD: 3D Coordinate Difference
- Nov 26, 2019 DXYZ: XYZ Coordinate Difference
- Nov 27, 2019 GENC: Generate Covariance Matrix Header
- Nov 27, 2019 COV: Covariance Matrix Header
- Nov 27, 2019 CORR: Correlation Matrix Header
- Nov 27, 2019 WGT: Weight Matrix Header
- Nov 27, 2019 ELEM: Matrix Elements
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Coordinates & Parameters
16
- Nov 27, 2019 4PAR: 4-Parameter Transformation
- Nov 27, 2019 7PAR: 7-Parameter Transformation
- Nov 27, 2019 ASTR: Astronomic Coordinates
- Nov 27, 2019 AUX: Auxiliary Parameters
- Nov 27, 2019 AUXO: Auxiliary Parameter Observation
- Nov 27, 2019 GEOI: Geoid Values
- Nov 27, 2019 GFIL: Geoid File
- Nov 27, 2019 NE: Northing & Easting
- Nov 27, 2019 NEH: N, E, & Ellipsoidal Height
- Nov 27, 2019 NEO: N, E, & Orthometric Height
- Nov 27, 2019 PL: Latitude & Longitude
- Nov 27, 2019 PLH: Latitude, Longitude, & Ellipsoidal Height
- Nov 27, 2019 PLO: Latitude, Longitude, & Orthometric Height
- Nov 27, 2019 UND: Undulation
- Nov 27, 2019 XY: Local XY Coordinates
- Nov 27, 2019 XYZ: XYZ Coordinates
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Map Projections
10
- Nov 27, 2019 LAMB: Lambert Map Projection
- Nov 27, 2019 OMER: Oblique Mercator Map Projection
- Nov 27, 2019 QUAD: Quadrangle Definition
- Nov 27, 2019 SFMC: Scale, Convergence
- Nov 27, 2019 STER: Double Stereographic Map Projection
- Nov 27, 2019 STGR: Stereographic Map Projection
- Nov 27, 2019 TMER: Transverse Mercator Map Projection
- Nov 27, 2019 XLAM: Lambert Map Projection (extended)
- Nov 27, 2019 XSTR: Double Stereographic Map Projection (extended)
- Nov 27, 2019 XTMR: Transverse Mercator Map Projection (extended)