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    SSM     HAMERSLEY 86
    Alternate names : Map ref.: HAMERSLEY BG34 2.8
    APREF/NGCA codes: 10WODatabase number : 104305
    Stamp name:      HAM 86 Date established :   10/03/1981
    Physical status : located (Landgate) Phys. status date :  14/02/2019
    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 49 29.67412Easting (m) :   382792.888
    Longitude :  E 115 45 41.46370Northing (m) :  6478303.448
    Convergence :       -0 39 11.37
    Point scale factor : 0.99976942
    Coordinate date :       31/03/2021
    Horizontal method :   Geoscience Australia NGCACadastral connection : Exists
    Relative horiz. accuracy :       15ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.015 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.015
    Semi-minor axis (m) : 0.015
    Azimuth of semi-major axis (deg) : 179 0 55
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   44778.926
    Northing (m) :  377564.513
    Convergence :       -0 1 44.69
    Point scale factor : 0.99999940
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         33.582Height date :          18/03/2019
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : 0.594N-Value (m) :          -32.988
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         0.600Height date :          18/03/2019
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    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 : not located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : bitumen
    Azimuth :           357 36 9Type :   True azimuth
    Distance (m) :    2.985Type :   Horizontal
    Height diff. (m) : 0.140Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM2 Phys. status : located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : concrete
    Azimuth :           134 45 9Type :   True azimuth
    Distance (m) :    3.820Type :   Horizontal
    Height diff. (m) : 0.110Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : concrete
    Azimuth :           211 53 9Type :   True azimuth
    Distance (m) :    3.545Type :   Horizontal
    Height diff. (m) : 0.216Type :   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 49 29.57729Easting (m) :   382792.729
    Longitude :  E 115 45 41.45895Northing (m) :  6478306.428
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   44778.800
    Northing (m) :  377567.495
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.722
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 49 29.76144Easting (m) :   382795.631
    Longitude :  E 115 45 41.56686Northing (m) :  6478300.791
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   44781.640
    Northing (m) :  377561.825
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.692
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 49 29.77185Easting (m) :   382791.050
    Longitude :  E 115 45 41.39249Northing (m) :  6478300.418
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   44777.055
    Northing (m) :  377561.502
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.798
    Cadastral Connection Fieldbooks
    D.R.GRAY 119
    DLI 98127
    LG 113260
    LG 150504
    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     HAMERSLEY 86
    Alternate names : Map ref.: HAMERSLEY BG34 2.8
    APREF/NGCA codes: 10WODatabase number : 104305
    Stamp name:      HAM 86 Date established :   10/03/1981
    Physical status : located (Landgate) Phys. status date :  14/02/2019
    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 49 29.72197Easting (m) :   382791.872
    Longitude :  E 115 45 41.42442Northing (m) :  6478301.963
    Convergence :       -0 39 11.39
    Point scale factor : 0.99976943
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.015 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.016
    Semi-minor axis (m) : 0.014
    Azimuth of semi-major axis (deg) : 169 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   44777.894
    Northing (m) :  277563.039
    Convergence :       -0 1 44.71
    Point scale factor : 0.99999940
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         33.582Height date :          18/03/2019
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : 0.653N-Value (m) :          -32.929
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         0.600Height date :          18/03/2019
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    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 : not located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : bitumen
    Azimuth :           357 36 9Type :   True azimuth
    Distance (m) :    2.985Type :   Horizontal
    Height diff. (m) : 0.140Type :   Spirit Levelling
    RM to GL (m) :   0.000
    RM2 Phys. status : located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : concrete
    Azimuth :           134 45 9Type :   True azimuth
    Distance (m) :    3.820Type :   Horizontal
    Height diff. (m) : 0.110Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   14/02/2019
    Phys. type :    spikeSet in : concrete
    Azimuth :           211 53 9Type :   True azimuth
    Distance (m) :    3.545Type :   Horizontal
    Height diff. (m) : 0.216Type :   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 49 29.62514Easting (m) :   382791.713
    Longitude :  E 115 45 41.41967Northing (m) :  6478304.943
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   44777.768
    Northing (m) :  277566.021
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.722
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 49 29.80929Easting (m) :   382794.615
    Longitude :  E 115 45 41.52758Northing (m) :  6478299.305
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   44780.608
    Northing (m) :  277560.351
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.692
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 49 29.81970Easting (m) :   382790.034
    Longitude :  E 115 45 41.35321Northing (m) :  6478298.933
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   44776.023
    Northing (m) :  277560.028
    Height Information
    Vertical datum :   AHD71
    Height (m) :         33.798
    Cadastral Connection Fieldbooks
    D.R.GRAY 119
    DLI 98127
    LG 113260
    LG 150504
    Special Notes
    No Special Notes for this mark