MCU25 0087 - Reference Document - Coastal Hazard Assessment (As Published)

                       SandMap – Report of Survey for Sunshine Beach Profiles



                      Appendix C – Calibration checks
                      SBES Data vs RTK GNSS Pole Shots in overlap area


                       SBES to GNSS Data Comparison
                       GNSS Equipment Septentrio NR3 RTK                                    Date                13/10/2025
                       SBES Equipment Cee Echo




                                                                                          MGA2020 (Zone 56) AHD
                                       Profile      Easting       Northing        AHD                          Easting         Northing        AHD          dE       dN     dAHD
                                          1      511493.1137    7080116.121     -1.3396                      511491.973      7080113.037      -1.429       1.141   3.084    0.089
                                          2       511438.865    7079618.787      -0.851                     511438.8013      7079618.317     -0.8738       0.064   0.470    0.023
                                          2       511442.679    7079617.756       -0.97                     511442.4801      7079617.748     -0.9769       0.199   0.008    0.007
                        Nearest SBES                                                        Nearest GNSS
                                          2       511446.374    7079616.645      -1.084                     511446.4525      7079616.645     -1.0546      -0.079   0.000    -0.029
                                          2       511449.642    7079615.707      -1.074                     511449.7741       7079616.03      -1.105      -0.132   -0.323   0.031
                                          3       511320.765    7079130.335      -1.188                     511320.7845      7079131.305     -1.1746      -0.019   -0.970   -0.013
                                          3       511324.493    7079130.566        -1.2                     511324.4445      7079130.398     -1.1454       0.049   0.168    -0.055
                                                                                                                                           Average Diff    0.175   0.348    0.008




                      Rev.      Doc No.                        Version    Doc Approver
                      no.                                      Date
                        1       P0100-20251020                 20/10/2025 Rod Tansley                                                                                 Page 18 of 20

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Version: 1, Version Date: 24/03/2026