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    SSM     WHITTAKERS
    Alternate names : Map ref.: WANDARRAH BG32 5.8
    APREF/NGCA codes: Database number : 101976
    Stamp name:      Date established :   01/01/1944
    Physical status : located (BE Survey Group) Phys. status date :  15/08/2025
    Physical type :    steel rodHatch cover type : unknown
    Mark set in :        concrete blockAccess type : 2 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 32 05.40104Easting (m) :   405072.992
    Longitude :  E 115 59 20.82011Northing (m) :  6399829.128
    Convergence :       -0 32 37.34
    Point scale factor : 0.99971112
    Coordinate date :       13/08/2018
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       30ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.027 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.031
    Semi-minor axis (m) : 0.023
    Azimuth of semi-major axis (deg) : 57 58 5
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Mark's height is outside project grid's vertical limitsEasting (m) :   66200.040
    Northing (m) :  298829.335
    Convergence :       0 5 33.89
    Point scale factor : 1.00000229
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         246.612Height date :          04/05/2000
    Established by :  unknownState :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : 216.41N-Value (m) :          -30.202
    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 :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.286Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM2 Phys. status : established Date :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.459Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM3 Phys. status : established Date :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.811Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM4 Phys. status : established Date :   01/01/1944
    Phys. type :    wooden pegSet in : ground
    Azimuth :           49 30 50Type :   True azimuth
    Distance (m) :    6.763Type :   Horizontal
    Height diff. (m) : 0.099Type :   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 Coordinates:No current GDA2020 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical Coordinates:No current GDA2020 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM3
    Geographical Coordinates:No current GDA2020 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM4
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 32 05.25850Easting (m) :   405078.092
    Longitude :  E 115 59 21.01723Northing (m) :  6399833.566
    Project Grid - PCG2020Perth Coastal Grid 2020
    Mark's height is outside project grid's vertical limitsEasting (m) :   66205.191
    Northing (m) :  298833.717
    Height Information
    Vertical datum :   AHD71
    Height (m) :         246.711
    Cadastral Connection Fieldbooks
    LG 164504
    Special Notes
    Unknown DatePermission from owner/caretaker needed prior to entry.Locked gate. Cadastral Connection in GS 5/70/1 page 7a.
    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     WHITTAKERS
    Alternate names : Map ref.: WANDARRAH BG32 5.8
    APREF/NGCA codes: Database number : 101976
    Stamp name:      Date established :   01/01/1944
    Physical status : located (BE Survey Group) Phys. status date :  15/08/2025
    Physical type :    steel rodHatch cover type : unknown
    Mark set in :        concrete blockAccess type : 2 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 32 05.44931Easting (m) :   405072.014
    Longitude :  E 115 59 20.78209Northing (m) :  6399827.632
    Convergence :       -0 32 37.36
    Point scale factor : 0.99971112
    Coordinate date :       05/05/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       5ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.032 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.036
    Semi-minor axis (m) : 0.028
    Azimuth of semi-major axis (deg) : 56 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Mark's height is outside project grid's vertical limitsEasting (m) :   66199.046
    Northing (m) :  198827.849
    Convergence :       0 5 33.87
    Point scale factor : 1.00000229
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         246.612Height date :          04/05/2000
    Established by :  unknownState :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : 216.418N-Value (m) :          -30.194
    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 :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.286Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM2 Phys. status : established Date :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.459Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM3 Phys. status : established Date :   01/01/1944
    Phys. type :    Set in :
    Azimuth :           0 0 0Type :   
    Distance (m) :    7.811Type :   Horizontal
    Height diff. (m) : 0.000Type :   
    RM to GL (m) :   0.000
    RM4 Phys. status : established Date :   01/01/1944
    Phys. type :    wooden pegSet in : ground
    Azimuth :           49 30 50Type :   True azimuth
    Distance (m) :    6.763Type :   Horizontal
    Height diff. (m) : 0.099Type :   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 Coordinates:No current GDA94 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical Coordinates:No current GDA94 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM3
    Geographical Coordinates:No current GDA94 coordinates exist
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM4
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 32 05.30677Easting (m) :   405077.114
    Longitude :  E 115 59 20.97921Northing (m) :  6399832.070
    Project Grid - PCG94Perth Coastal Grid 1994
    Mark's height is outside project grid's vertical limitsEasting (m) :   66204.197
    Northing (m) :  198832.232
    Height Information
    Vertical datum :   AHD71
    Height (m) :         246.711
    Cadastral Connection Fieldbooks
    LG 164504
    Special Notes
    Unknown DatePermission from owner/caretaker needed prior to entry.Locked gate. Cadastral Connection in GS 5/70/1 page 7a.