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    SSM     SCARBOROUGH 110
    Alternate names : Map ref.: SCARBOROUGH BG34 2.7
    APREF/NGCA codes: Database number : 104326
    Stamp name:      SCA110 Date established :   01/04/1983
    Physical status : located (Cottage & Engineering Sur)Phys. status date :  05/07/2012
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 51 47.12928Easting (m) :   383692.937
    Longitude :  E 115 46 13.87605Northing (m) :  6474080.611
    Convergence :       -0 38 56.77
    Point scale factor : 0.99976683
    Coordinate date :       22/11/2021
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.023 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.026
    Semi-minor axis (m) : 0.019
    Azimuth of semi-major axis (deg) : 142 8 17
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45633.100
    Northing (m) :  373331.139
    Convergence :       -0 1 27.70
    Point scale factor : 0.99999930
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         31.876Height date :          02/04/2009
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -1.112N-Value (m) :          -32.988
    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 :   01/04/1983
    Phys. type :    spikeSet in : bitumen
    Azimuth :           34 34 50Type :   True azimuth
    Distance (m) :    7.220Type :   Horizontal
    Height diff. (m) : 0.267Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM2 Phys. status : located (PH & KE Gow) Date :   27/06/2012
    Phys. type :    spikeSet in : bitumen
    Azimuth :           128 25 50Type :   True azimuth
    Distance (m) :    7.608Type :   Horizontal
    Height diff. (m) : -0.060Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM3 Phys. status : located (PH & KE Gow) Date :   27/06/2012
    Phys. type :    spikeSet in : concrete
    Azimuth :           308 25 50Type :   True azimuth
    Distance (m) :    2.600Type :   Horizontal
    Height diff. (m) : 0.103Type :   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 :             50
    Latitude :     S 31 51 46.93629Easting (m) :   383696.966
    Longitude :  E 115 46 14.03194Northing (m) :  6474086.600
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45637.195
    Northing (m) :  373337.085
    Height Information
    Vertical datum :   AHD71
    Height (m) :         32.143
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 51 47.28281Easting (m) :   383698.949
    Longitude :  E 115 46 14.10277Northing (m) :  6474075.951
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45639.062
    Northing (m) :  373326.413
    Height Information
    Vertical datum :   AHD71
    Height (m) :         31.816
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 51 47.07681Easting (m) :   383690.883
    Longitude :  E 115 46 13.79857Northing (m) :  6474082.203
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45631.062
    Northing (m) :  373332.754
    Height Information
    Vertical datum :   AHD71
    Height (m) :         31.979
    Cadastral Connection Fieldbooks
    LG 120443
    Special Notes
    No Special Notes for this 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     SCARBOROUGH 110
    Alternate names : Map ref.: SCARBOROUGH BG34 2.7
    APREF/NGCA codes: Database number : 104326
    Stamp name:      SCA110 Date established :   01/04/1983
    Physical status : located (Cottage & Engineering Sur)Phys. status date :  05/07/2012
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 51 47.17729Easting (m) :   383691.920
    Longitude :  E 115 46 13.83672Northing (m) :  6474079.121
    Convergence :       -0 38 56.80
    Point scale factor : 0.99976683
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       30ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.019 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.022
    Semi-minor axis (m) : 0.016
    Azimuth of semi-major axis (deg) : 143 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45632.067
    Northing (m) :  273329.660
    Convergence :       -0 1 27.72
    Point scale factor : 0.99999930
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         31.876Height date :          02/04/2009
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -1.054N-Value (m) :          -32.93
    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 :   01/04/1983
    Phys. type :    spikeSet in : bitumen
    Azimuth :           34 34 50Type :   True azimuth
    Distance (m) :    7.220Type :   Horizontal
    Height diff. (m) : 0.267Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM2 Phys. status : located (PH & KE Gow) Date :   27/06/2012
    Phys. type :    spikeSet in : bitumen
    Azimuth :           128 25 50Type :   True azimuth
    Distance (m) :    7.608Type :   Horizontal
    Height diff. (m) : -0.060Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM3 Phys. status : located (PH & KE Gow) Date :   27/06/2012
    Phys. type :    spikeSet in : concrete
    Azimuth :           308 25 50Type :   True azimuth
    Distance (m) :    2.600Type :   Horizontal
    Height diff. (m) : 0.103Type :   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 :             50
    Latitude :     S 31 51 46.98430Easting (m) :   383695.950
    Longitude :  E 115 46 13.99261Northing (m) :  6474085.110
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45636.162
    Northing (m) :  273335.606
    Height Information
    Vertical datum :   AHD71
    Height (m) :         32.143
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 51 47.33082Easting (m) :   383697.932
    Longitude :  E 115 46 14.06344Northing (m) :  6474074.461
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45638.028
    Northing (m) :  273324.933
    Height Information
    Vertical datum :   AHD71
    Height (m) :         31.816
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 51 47.12482Easting (m) :   383689.866
    Longitude :  E 115 46 13.75924Northing (m) :  6474080.713
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45630.029
    Northing (m) :  273331.275
    Height Information
    Vertical datum :   AHD71
    Height (m) :         31.979
    Cadastral Connection Fieldbooks
    LG 120443
    Special Notes
    No Special Notes for this mark