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    SSM     KAP 1
    Alternate names : PRINSEP Map ref.: DAMPIER SF50-2
    APREF/NGCA codes: 98WMDatabase number : 100689
    Stamp name:      Date established :   01/01/1961
    Physical status : located (Landgate) Phys. status date :  22/08/2016
    Physical type :    brass plaqueHatch cover type : none
    Mark set in :        concreteAccess type : 4 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 20 51 18.58592Easting (m) :   478981.428
    Longitude :  E 116 47 52.63621Northing (m) :  7693868.568
    Convergence :       -0 4 18.95
    Point scale factor : 0.99960546
    Coordinate date :       13/08/2018
    Horizontal method :   GNSS Survey NetworkCadastral connection : No
    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 (m) : 108 2 38
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - KAR2020Karratha Grid 2020
    Easting (m) :   35911.081
    Northing (m) :  242955.557
    Convergence :       -0 2 53.51
    Point scale factor : 1.00000135
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         94.175Height date :          14/09/2016
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : 86.758N-Value (m) :          -7.417
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         86.756Height date :          15/08/2018
    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 : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           8 56 0Type :   True azimuth
    Distance (m) :    5.526Type :   Horizontal
    Height diff. (m) : 0.290Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           83 33 0Type :   True azimuth
    Distance (m) :    5.830Type :   Horizontal
    Height diff. (m) : -0.670Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           248 58 0Type :   True azimuth
    Distance (m) :    3.705Type :   Horizontal
    Height diff. (m) : 0.410Type :   Spirit Levelling
    RM to GL (m) :   None
    RM4 Phys. status : damaged (Haines Surveys) Date :   12/07/1996
    Phys. type :    pipeSet in : concrete
    Azimuth :           348 34 0Type :   True azimuth
    Distance (m) :    19.004Type :   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 20 51 18.40842Easting (m) :   478982.279
    Longitude :  E 116 47 52.66589Northing (m) :  7693874.025
    Project Grid - KAR2020Karratha Grid 2020
    Easting (m) :   35911.934
    Northing (m) :  242961.016
    Height Information
    Vertical datum :   AHD71
    Height (m) :         94.465
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 20 51 18.56462Easting (m) :   478987.218
    Longitude :  E 116 47 52.83660Northing (m) :  7693869.229
    Project Grid - KAR2020Karratha Grid 2020
    Easting (m) :   35916.873
    Northing (m) :  242956.216
    Height Information
    Vertical datum :   AHD71
    Height (m) :         93.505
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 20 51 18.62916Easting (m) :   478977.973
    Longitude :  E 116 47 52.51659Northing (m) :  7693867.234
    Project Grid - KAR2020Karratha Grid 2020
    Easting (m) :   35907.624
    Northing (m) :  242954.224
    Height Information
    Vertical datum :   AHD71
    Height (m) :         94.585
    RM4
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 20 51 17.98025Easting (m) :   478977.639
    Longitude :  E 116 47 52.50590Northing (m) :  7693887.182
    Project Grid - KAR2020Karratha Grid 2020
    Easting (m) :   35907.298
    Northing (m) :  242974.180
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    No Fieldbooks for this mark
    Special Notes
    Unknown DateDRM is A.S.O. mark 1004 and is 6839.531 metres from KAP 1. ASO 1004 is a brdge spike located 13.8m from HUMES sign on N.W.C.Hwy. Permission to use the private Hamersley Iron Road must be obtained at the 7mile Rail Head.
    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     KAP 1
    Alternate names : PRINSEP Map ref.: DAMPIER SF50-2
    APREF/NGCA codes: 98WMDatabase number : 100689
    Stamp name:      Date established :   01/01/1961
    Physical status : located (Landgate) Phys. status date :  22/08/2016
    Physical type :    brass plaqueHatch cover type : none
    Mark set in :        concreteAccess type : 4 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 20 51 18.63448Easting (m) :   478980.393
    Longitude :  E 116 47 52.60032Northing (m) :  7693867.073
    Convergence :       -0 4 18.96
    Point scale factor : 0.99960546
    Coordinate date :       05/05/2000
    Horizontal method :   Global Position SystemCadastral connection : No
    Relative horiz. accuracy :       3ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.008 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.009
    Semi-minor axis (m) : 0.005
    Azimuth of semi-major axis (m) : 109 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - KAR94Karratha Grid 1994
    Easting (m) :   35910.044
    Northing (m) :  142954.062
    Convergence :       -0 2 53.52
    Point scale factor : 1.00000135
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         94.175Height date :          14/09/2016
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : 86.856N-Value (m) :          -7.319
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         86.756Height date :          15/08/2018
    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 : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           8 56 0Type :   True azimuth
    Distance (m) :    5.526Type :   Horizontal
    Height diff. (m) : 0.290Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           83 33 0Type :   True azimuth
    Distance (m) :    5.830Type :   Horizontal
    Height diff. (m) : -0.670Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   22/08/2016
    Phys. type :    spikeSet in : concrete
    Azimuth :           248 58 0Type :   True azimuth
    Distance (m) :    3.705Type :   Horizontal
    Height diff. (m) : 0.410Type :   Spirit Levelling
    RM to GL (m) :   None
    RM4 Phys. status : damaged (Haines Surveys) Date :   12/07/1996
    Phys. type :    pipeSet in : concrete
    Azimuth :           348 34 0Type :   True azimuth
    Distance (m) :    19.004Type :   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 20 51 18.45698Easting (m) :   478981.244
    Longitude :  E 116 47 52.63000Northing (m) :  7693872.531
    Project Grid - KAR94Karratha Grid 1994
    Easting (m) :   35910.898
    Northing (m) :  142959.522
    Height Information
    Vertical datum :   AHD71
    Height (m) :         94.465
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 20 51 18.61318Easting (m) :   478986.183
    Longitude :  E 116 47 52.80071Northing (m) :  7693867.735
    Project Grid - KAR94Karratha Grid 1994
    Easting (m) :   35915.837
    Northing (m) :  142954.722
    Height Information
    Vertical datum :   AHD71
    Height (m) :         93.505
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 20 51 18.67772Easting (m) :   478976.938
    Longitude :  E 116 47 52.48069Northing (m) :  7693865.740
    Project Grid - KAR94Karratha Grid 1994
    Easting (m) :   35906.587
    Northing (m) :  142952.730
    Height Information
    Vertical datum :   AHD71
    Height (m) :         94.585
    RM4
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 20 51 18.02881Easting (m) :   478976.604
    Longitude :  E 116 47 52.47001Northing (m) :  7693885.688
    Project Grid - KAR94Karratha Grid 1994
    Easting (m) :   35906.262
    Northing (m) :  142972.686
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    No Fieldbooks for this mark
    Special Notes
    Unknown DateDRM is A.S.O. mark 1004 and is 6839.531 metres from KAP 1. ASO 1004 is a brdge spike located 13.8m from HUMES sign on N.W.C.Hwy. Permission to use the private Hamersley Iron Road must be obtained at the 7mile Rail Head.