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      Mark Details (GOLA last updated on 06-May-2025)
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    SSM     NMF 87
    Alternate names : 1095 Map ref.: LOONGANA SH52-9
    APREF/NGCA codes: Database number : 100381
    Stamp name:      Date established :   01/06/1963
    Physical status : located Phys. status date :  01/01/1966
    Physical type :    copper tubeHatch cover type : none
    Mark set in :        concreteAccess type : 4 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 55 17.35937Easting (m) :   339834.695
    Longitude :  E 127 19 25.55650Northing (m) :  6577894.900
    Convergence :       -0 51 41.54
    Point scale factor : 0.99991644
    Coordinate date :       18/06/2019
    Horizontal method :   Geodetic-TerrestrialCadastral connection : No
    Relative horiz. accuracy :       10ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.34 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.390
    Semi-minor axis (m) : 0.260
    Azimuth of semi-major axis (m) : 173 14 58
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         182Height date :          04/05/2000
    Established by :  National MappingState :                    Provisional
    Vertical method : Vertical AnglesVertical accuracy : 1.5m
    Derived GDA2020 ellipsoidal height (m) : 163.481N-Value (m) :          -18.519
    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 :           73 39 17Type :   True azimuth
    Distance (m) :    9.632Type :   Horizontal
    Height diff. (m) : 0.030Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           186 14 18Type :   True azimuth
    Distance (m) :    9.278Type :   Horizontal
    Height diff. (m) : 0.061Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           307 56 17Type :   True azimuth
    Distance (m) :    9.001Type :   Horizontal
    Height diff. (m) : -0.061Type :   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 55 17.27135Easting (m) :   339843.895
    Longitude :  E 127 19 25.90462Northing (m) :  6577897.750
    Height Information
    Vertical datum :   AHD71
    Height (m) :         182.03
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 55 17.65885Easting (m) :   339833.826
    Longitude :  E 127 19 25.51853Northing (m) :  6577885.664
    Height Information
    Vertical datum :   AHD71
    Height (m) :         182.061
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             52
    Latitude :     S 30 55 17.17968Easting (m) :   339827.515
    Longitude :  E 127 19 25.28913Northing (m) :  6577900.327
    Height Information
    Vertical datum :   AHD71
    Height (m) :         181.939
    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 87
    Alternate names : 1095 Map ref.: LOONGANA SH52-9
    APREF/NGCA codes: Database number : 100381
    Stamp name:      Date established :   01/06/1963
    Physical status : located Phys. status date :  01/01/1966
    Physical type :    copper tubeHatch cover type : none
    Mark set in :        concreteAccess type : 4 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 55 17.40670Easting (m) :   339833.862
    Longitude :  E 127 19 25.52428Northing (m) :  6577893.430
    Convergence :       -0 51 41.56
    Point scale factor : 0.99991645
    Coordinate date :       05/05/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : No
    Relative horiz. accuracy :       10ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.28 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.298
    Semi-minor axis (m) : 0.251
    Azimuth of semi-major axis (m) : 164 0 0
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         182Height date :          04/05/2000
    Established by :  National MappingState :                    Provisional
    Vertical method : Vertical AnglesVertical accuracy : 1.5m
    Derived GDA94 ellipsoidal height (m) : 163.551N-Value (m) :          -18.449
    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 :           73 39 17Type :   True azimuth
    Distance (m) :    9.632Type :   Horizontal
    Height diff. (m) : 0.030Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           186 14 18Type :   True azimuth
    Distance (m) :    9.278Type :   Horizontal
    Height diff. (m) : 0.061Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : established Date :   01/06/1963
    Phys. type :    copper tubeSet in : concrete block
    Azimuth :           307 56 17Type :   True azimuth
    Distance (m) :    9.001Type :   Horizontal
    Height diff. (m) : -0.061Type :   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 55 17.31868Easting (m) :   339843.062
    Longitude :  E 127 19 25.87240Northing (m) :  6577896.279
    Height Information
    Vertical datum :   AHD71
    Height (m) :         182.03
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 55 17.70618Easting (m) :   339832.992
    Longitude :  E 127 19 25.48631Northing (m) :  6577884.194
    Height Information
    Vertical datum :   AHD71
    Height (m) :         182.061
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             52
    Latitude :     S 30 55 17.22701Easting (m) :   339826.681
    Longitude :  E 127 19 25.25691Northing (m) :  6577898.856
    Height Information
    Vertical datum :   AHD71
    Height (m) :         181.939
    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