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    SSM     SCARBOROUGH 19A
    Alternate names : Map ref.: SCARBOROUGH BG34 2.7
    APREF/NGCA codes: Database number : 104336
    Stamp name:      SCA19A Date established :   01/11/1976
    Physical status : destroyedPhys. status date :  27/05/1987
    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 52 56.52227Easting (m) :   386547.953
    Longitude :  E 115 48 01.61892Northing (m) :  6471975.552
    Convergence :       -0 38 1.11
    Point scale factor : 0.99975874
    Coordinate date :       13/08/2018
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       40ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.032 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.035
    Semi-minor axis (m) : 0.026
    Azimuth of semi-major axis (deg) : 51 23 55
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48465.656
    Northing (m) :  371194.562
    Convergence :       -0 0 30.84
    Point scale factor : 0.99999909
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         13.723Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -19.15N-Value (m) :          -32.873
    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 :   01/05/1973
    Phys. type :    steel rodSet in : concrete
    Azimuth :           230 54 3Type :   True azimuth
    Distance (m) :    10.678Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/05/1973
    Phys. type :    steel rodSet in : concrete
    Azimuth :           230 54 3Type :   True azimuth
    Distance (m) :    5.248Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM6 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           282 42 3Type :   True azimuth
    Distance (m) :    3.014Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM7 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           87 1 8Type :   True azimuth
    Distance (m) :    2.988Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM8 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           11 36 33Type :   True azimuth
    Distance (m) :    2.857Type :   Horizontal
    Height diff. (m) : NoneType :   
    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 52 56.74090Easting (m) :   386539.743
    Longitude :  E 115 48 01.30361Northing (m) :  6471968.728
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48457.370
    Northing (m) :  371187.827
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 52 56.62972Easting (m) :   386543.918
    Longitude :  E 115 48 01.46395Northing (m) :  6471972.198
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48461.584
    Northing (m) :  371191.252
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM6
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 52 56.50076Easting (m) :   386545.006
    Longitude :  E 115 48 01.50704Northing (m) :  6471976.182
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48462.716
    Northing (m) :  371195.224
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM7
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 52 56.51722Easting (m) :   386550.934
    Longitude :  E 115 48 01.73246Northing (m) :  6471975.740
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48468.640
    Northing (m) :  371194.718
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM8
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 52 56.43141Easting (m) :   386548.496
    Longitude :  E 115 48 01.64080Northing (m) :  6471978.356
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   48466.231
    Northing (m) :  371197.361
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    FB G.GESTE 154 *
    Special Notes
    Unknown DateRM1,2 are SCA19 orig.RMs.RM3 not used. For Rm5,6 see SCA19T original RMs.
    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 19A
    Alternate names : Map ref.: SCARBOROUGH BG34 2.7
    APREF/NGCA codes: Database number : 104336
    Stamp name:      SCA19A Date established :   01/11/1976
    Physical status : destroyedPhys. status date :  27/05/1987
    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 52 56.57052Easting (m) :   386546.932
    Longitude :  E 115 48 01.57947Northing (m) :  6471974.055
    Convergence :       -0 38 1.14
    Point scale factor : 0.99975874
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.025 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.029
    Semi-minor axis (m) : 0.020
    Azimuth of semi-major axis (deg) : 52 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48464.620
    Northing (m) :  271193.076
    Convergence :       -0 0 30.86
    Point scale factor : 0.99999909
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         13.723Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -19.087N-Value (m) :          -32.81
    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 :   01/05/1973
    Phys. type :    steel rodSet in : concrete
    Azimuth :           230 54 3Type :   True azimuth
    Distance (m) :    10.678Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM2 Phys. status : established Date :   01/05/1973
    Phys. type :    steel rodSet in : concrete
    Azimuth :           230 54 3Type :   True azimuth
    Distance (m) :    5.248Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM6 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           282 42 3Type :   True azimuth
    Distance (m) :    3.014Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM7 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           87 1 8Type :   True azimuth
    Distance (m) :    2.988Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM8 Phys. status : established Date :   01/11/1976
    Phys. type :    steel rodSet in : concrete
    Azimuth :           11 36 33Type :   True azimuth
    Distance (m) :    2.857Type :   Horizontal
    Height diff. (m) : NoneType :   
    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 52 56.78915Easting (m) :   386538.723
    Longitude :  E 115 48 01.26416Northing (m) :  6471967.231
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48456.334
    Northing (m) :  271186.340
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 52 56.67797Easting (m) :   386542.898
    Longitude :  E 115 48 01.42450Northing (m) :  6471970.701
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48460.547
    Northing (m) :  271189.766
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM6
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 52 56.54900Easting (m) :   386543.986
    Longitude :  E 115 48 01.46759Northing (m) :  6471974.685
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48461.679
    Northing (m) :  271193.738
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM7
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 52 56.56547Easting (m) :   386549.914
    Longitude :  E 115 48 01.69301Northing (m) :  6471974.243
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48467.603
    Northing (m) :  271193.232
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM8
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 52 56.47966Easting (m) :   386547.476
    Longitude :  E 115 48 01.60135Northing (m) :  6471976.859
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   48465.194
    Northing (m) :  271195.875
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    FB G.GESTE 154 *
    Special Notes
    Unknown DateRM1,2 are SCA19 orig.RMs.RM3 not used. For Rm5,6 see SCA19T original RMs.