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      Mark Details (GOLA last updated on 06-May-2025)
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    SSM     NMF 218
    Alternate names : 4636/1002 Map ref.: FORREST SH52-10
    APREF/NGCA codes: Database number : 100357
    Stamp name:      Date established :   01/06/1963
    Physical status : Phys. status date :  
    Physical type :    copper tubeHatch cover type : none
    Mark set in :        concrete blockAccess type : 4 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 47 20.09061Easting (m) :   488273.305
    Longitude :  E 128 52 38.75853Northing (m) :  6593784.888
    Convergence :       -0 3 45.86
    Point scale factor : 0.99960170
    Coordinate date :       18/06/2019
    Horizontal method :   Geodetic-TerrestrialCadastral connection : No
    Relative horiz. accuracy :       15ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.075 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.076
    Semi-minor axis (m) : 0.075
    Azimuth of semi-major axis (m) : 142 24 24
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         161.6Height date :          04/05/2000
    Established by :  National MappingState :                    Provisional
    Vertical method : Vertical AnglesVertical accuracy : 1.5m
    Derived GDA2020 ellipsoidal height (m) : 143.542N-Value (m) :          -18.058
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  
    Mark to ground level : 
    RM Info** Warning: RM azimuths and coordinates are unverified
    ** Azimuth, distance and height difference are relative to main mark
    RM1 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           110 54 5Type :   True azimuth
    Distance (m) :    8.199Type :   Horizontal
    Height diff. (m) : 0.000Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           229 42 5Type :   True azimuth
    Distance (m) :    7.727Type :   Horizontal
    Height diff. (m) : 0.000Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           344 45 5Type :   True azimuth
    Distance (m) :    8.001Type :   Horizontal
    Height diff. (m) : -0.030Type :   Spirit Levelling
    RM to GL (m) :   None
    RM Position Information** Warning: RM coordinates should be verified prior to use
    ** Coordinates are calculated from reference observations
    ** Coordinate accuracies commensurate with related observations
    RM1
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 47 20.18559Easting (m) :   488280.965
    Longitude :  E 128 52 39.04662Northing (m) :  6593781.972
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.6
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 47 20.25289Easting (m) :   488267.420
    Longitude :  E 128 52 38.53687Northing (m) :  6593779.886
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.6
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 47 19.83995Easting (m) :   488271.193
    Longitude :  E 128 52 38.67938Northing (m) :  6593792.602
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.57
    Cadastral Connection Fieldbooks
    No Fieldbooks for this mark
    Special Notes
    Unknown DateA 6.1 metre tower was used at this point.Rock cairn erected over mark
    ATRF 2014
    GDA2020 coordinates are equivalent to ATRF2014@2020.0. ATRF2014 coordinates can be determined by application of the Australian Plate Motion Model. For general and technical information on GDA2020 see http://www.icsm.gov.au/gda2020 and ATRF2014 see http://www.icsm.gov.au/australian-terrestrial-reference-frame.
    View the graphic summary
    SSM     NMF 218
    Alternate names : 4636/1002 Map ref.: FORREST SH52-10
    APREF/NGCA codes: Database number : 100357
    Stamp name:      Date established :   01/06/1963
    Physical status : Phys. status date :  
    Physical type :    copper tubeHatch cover type : none
    Mark set in :        concrete blockAccess type : 4 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 47 20.13910Easting (m) :   488272.445
    Longitude :  E 128 52 38.72611Northing (m) :  6593783.394
    Convergence :       -0 3 45.88
    Point scale factor : 0.99960170
    Coordinate date :       05/05/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : No
    Relative horiz. accuracy :       10ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.075 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.084
    Semi-minor axis (m) : 0.064
    Azimuth of semi-major axis (m) : 77 0 0
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         161.6Height date :          04/05/2000
    Established by :  National MappingState :                    Provisional
    Vertical method : Vertical AnglesVertical accuracy : 1.5m
    Derived GDA94 ellipsoidal height (m) : 143.633N-Value (m) :          -17.967
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  
    Mark to ground level : 
    RM Info** Warning: RM azimuths and coordinates are unverified
    ** Azimuth, distance and height difference are relative to main mark
    RM1 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           110 54 5Type :   True azimuth
    Distance (m) :    8.199Type :   Horizontal
    Height diff. (m) : 0.000Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           229 42 5Type :   True azimuth
    Distance (m) :    7.727Type :   Horizontal
    Height diff. (m) : 0.000Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           344 45 5Type :   True azimuth
    Distance (m) :    8.001Type :   Horizontal
    Height diff. (m) : -0.030Type :   Spirit Levelling
    RM to GL (m) :   None
    RM Position Information** Warning: RM coordinates should be verified prior to use
    ** Coordinates are calculated from reference observations
    ** Coordinate accuracies commensurate with related observations
    RM1
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 47 20.23408Easting (m) :   488280.105
    Longitude :  E 128 52 39.01420Northing (m) :  6593780.479
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.6
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 47 20.30138Easting (m) :   488266.560
    Longitude :  E 128 52 38.50445Northing (m) :  6593778.392
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.6
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 47 19.88844Easting (m) :   488270.333
    Longitude :  E 128 52 38.64696Northing (m) :  6593791.108
    Height Information
    Vertical datum :   AHD71
    Height (m) :         161.57
    Cadastral Connection Fieldbooks
    No Fieldbooks for this mark
    Special Notes
    Unknown DateA 6.1 metre tower was used at this point.Rock cairn erected over mark