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    Workshop 2 of the SAGWG

    1–2 Oct 2026
    DLRRD Pretoria
    Africa/Johannesburg timezone

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    Contribution List

    59 out of 59 displayed
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    1. 50. Welcome and Opening
      Aletha de Witt (DSTI), Aslam Parker (Department of Land Reform and Rural Development)
      30/09/2026, 10:00

      Welcome remarks, introductions, programme overview and housekeeping

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    2. 58. Welcome: SARAO
      Dr Adrian Tiplady (SARAO)
      30/09/2026, 10:15
    3. 51. Introduction to HartRAO
      Roelf Botha (SARAO)
      30/09/2026, 10:20

      Overview of the observatory, its history, mandate and role in radio astronomy

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    4. 52. Tour of HartRAO via interactive sessions
      Dr Jon Quick, Lungelo Gumede, Pieter Stronkhorst, Dr Roelf Botha (SARAO), Simphiwe Madlanga
      30/09/2026, 10:35

      Safety Briefing
      Logistics

      Group Photograph at 26m

      Main groupings:
      - Engineering + Workshops (Pieter Stronkhorst)
      - Radio Telescopes and VLBI (Jon Quick)
      - SLR, GNSS + Site Tie (Roelf Botha)
      - Any other interests (Simphiwe Madlanga)

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    5. 54. Introduction to SANSA
      Eugene Avenant
      30/09/2026, 12:00
    6. 55. Tour + Interactive Session and Q&A
      30/09/2026, 12:30

      Group Photograph
      Questions, discussion and engagement with SANSA staff

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    7. 56. Closing Remarks and Vote of Thanks Final Networking
      Aletha de Witt (DSTI), Aslam Parker (Department of Land Reform and Rural Development)
      30/09/2026, 14:15
    8. 7. Registration and Tea / Coffee
      01/10/2026, 08:30
    9. 11. Welcome
      Siyabonga Mdubeki (Chief Surveyor General, DLRRD)
      01/10/2026, 09:00

      Opening Remarks by DSTI + DLRRD (Chair/Co-chair)
      Welcome

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    10. 38. UN-GGCE and recent developments
      Nicholas Brown (Head of Office of the United Nations Global Geodetic Centre of Excellence (UN-GGCE))
      01/10/2026, 09:10

      Nic Brown

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    11. 59. One year on...
      Aletha de Witt (Director for Radio Astronomy Projects, DSTI), Aslam Parker (Chief Director: National Geospatial Information, DLRRD)
      01/10/2026, 09:30

      Feedback and Overview: 2025 Workshop and Report
      Progress to date and Working Group establishment

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    12. 16. Overview of the SAGWG Pillars
      Aletha de Witt (Director: Radio Astronomy Projects, DSTI)
      01/10/2026, 09:55

      Introduces the (refined) pillar framework, setting up the individual pillar sessions that follow across both days

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    13. 15. History of Geodesy in South Africa and Africa - Terrestrial
      Patrick Vorster (Retired Chief Professional Surveyor, DLRRD)
      01/10/2026, 10:50
    14. 39. History - Space Geodesy
      Roelf Botha (Manager of Space Goedesy, SARAO)
      01/10/2026, 11:20

      History of Space Geodesy, Tribute

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    15. 19. Evolution of South Africa’s active GNSS reference network
      Cleotilda Nxumalo (Chief Professional Surveyor, DLRRD)
      01/10/2026, 11:40

      DLRRD + Trignet
      SA Control Survey system

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    16. 17. Space Geodetic Infrastructure
      Roelf Botha (Manager of Space Goedesy, SARAO)
      01/10/2026, 12:00

      SARAO Hartebeesthoek

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    17. 18. SANSA geodetic infrastructure: from Africa to the polar regions
      Mr Jon Ward (EDA Manager, SANSA)
      01/10/2026, 12:15
    18. 20. International standards frameworks
      Nozipho Madlala (Chief Professional Surveyor, DLRRD)
      01/10/2026, 13:30
    19. 21. SDI Act and Standards
      Dalikhaya Mdunge (Chairperson, CSI)
      01/10/2026, 13:50
    20. 22. Geodetic Data Stewardship through Open Access, FAIR, TRUST, CARE and Open Science
      Glenda Coetzer (SARAO)
      01/10/2026, 14:05
    21. 24. Terrestrial Reference Frames and Systems
      Aslam Parker (Chief Director: National Geospatial Information, DLRRD)
      01/10/2026, 14:20
    22. 25. Tide gauge network and hydrological systems
      Ruth Farre (Superintendent Tidal Information, Hydrographic Office, SA Navy)
      01/10/2026, 14:45

      Ruth Farre
      Maritime Reference Levels

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    23. 41. Height reference systems
      Siphiwe Mphuthi (Geoscience researcher, UCT)
      01/10/2026, 15:20
    24. 23. International Celestial Reference Frame and EOPs
      Aletha de Witt (Director: Radio Astronomy Projects, DSTI)
      01/10/2026, 15:35
    25. 6. Registration and Tea / Coffee
      02/10/2026, 08:15
    26. 35. Geodesy Education and Research at Traditional Universities: Current Provision and Future Needs
      Mulemwa Akombelwa (UKZN), Patroba Odera (University of Cape Town), Siphiwe Mphuthi (Geoscience researcher)
      02/10/2026, 08:40
    27. 36. Geodesy Education and Postgraduate Training at TUT: Current Provision and Future Needs
      Kovilen Reddy (Tshwane University of Technology, Geomatics Department)
      02/10/2026, 09:00

      Kovlien Reddy

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    28. 37. Geodesy Education at DUT: Experiences, Challenges and Future Directions
      Misheck Phiri (Durban University of Technology)
      02/10/2026, 09:15

      Misheck Phiri

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    29. 27. Advocacy for geodesy: from technical need to political priority
      Laila Løvhøiden (Norwegian Mapping Authority)
      02/10/2026, 09:30
    30. 26. Geodesy as the Foundation of a Future-Ready Geomatics Profession: Regulation, Competence and National Spatial Resilience
      Morena Letsosa (SAGC)
      02/10/2026, 09:45
    31. 43. The Next Generation of Geomatics Practitioners: Integrating Geodesy, GNSS, GIS, Remote Sensing and Geospatial Data Science
      Ms Tshepisho Agnecia Lefenyo (DLRRD)
      02/10/2026, 10:05
    32. 28. Frequency Protection for geodetic VLBI - Support for an Agenda Item at WRC-31
      Hayo Hase (Bundesamt für Kartographie und Geodäsie)
      02/10/2026, 10:40
    33. 44. Radio Frequency Spectrum Management
      Selaelo Matlhane (SARAO)
      02/10/2026, 11:00
    34. 30. SANSA and low-cost GNSS
      Mr Jon Ward (EDA Manager, SANSA)
      02/10/2026, 11:20
    35. 31. BeiDou High-Accuracy Services: Opportunities for Geodetic Applications
      Ningbo Wang (Aerospace Informatioin Research Institute (AIR), Chinese Academy of Sciences (CAS))
      02/10/2026, 11:35
    36. 32. Brief overview of the current state and trajectory of aerial surveying and satellite remote sensing technology for mapping
      Adriaan Combrink
      02/10/2026, 11:50
    37. 57. Earth Observation applications using Beidou
      Lesiba Thomas Tsoeleng (SANSA)
      02/10/2026, 12:05

      @Lesiba Thomas Tsoeleng,

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    38. 33. Precision at Scale - The Tanzania CORS Installation
      02/10/2026, 13:15
    39. 34. Quality Control of CORS Stations and Data
      Talal Hanna (Leica GeoSystems)
      02/10/2026, 13:35
    40. 49. Interactive session, demos (Tea and Coffee available)
      02/10/2026, 13:55
    41. 46. Update on GGOS-Africa
      Aletha de Witt (Director: Radio Astronomy Projects, DSTI)
      02/10/2026, 14:15
    42. 47. UN-GGIM Africa working group on AFREF
      Aslam Parker (Chief Director: National Geospatial Information, DLRRD)
      02/10/2026, 14:30
    43. 48. Importance of Advocacy and Outreach for Geodesy - Initiatives led under GGOS
      Martin Sehnal (BEV - Federal Office of Metrology and Surveying)
      02/10/2026, 14:45
    44. 42. Strengthening the Future of Geodesy: Empowering Early Career Scientists (ECS)
      Franck Ghomsi
      02/10/2026, 15:00

      Ghomsi

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    45. 9. Summary, Highlights & Way Forward
      Aletha de Witt (Director: Radio Astronomy Projects, DSTI), Aslam Parker (Chief Director: National Geospatial Information, DLRRD)
      02/10/2026, 15:20
    46. 10. Close & Communiqué
      Siyabonga Mdubeki (Chief Surveyor General, DLRRD)
      02/10/2026, 15:40
    47. 2. Feedback & Overview: 2025 Workshop and Report
    48. 12. Feedback & Overview: 2025 Workshop and Report
      Aletha de Witt (DSTI), Aslam Parker (Department of Land Reform and Rural Development)

      Recap of the 2025 workshop, its findings, and the signed report

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    49. 5. History of Geodesy in South Africa and Africa
      Dr Roelf Botha (SARAO)
    50. 53. Interactive Session and Q&A

      Questions, discussion and engagement with HartRAO staff

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    51. 4. Panel Discussion - Pillar 1
    52. 14. Panel Discussion - Pillar 1

      Panel on progress & establishment, a few questions from the floor

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    53. 40. Preservation of our history

      Declaring national heritage site - Glenda

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    54. 3. Progress to Date & SAGWG Establishment
    55. 13. Progress to Date & SAGWG Establishment

      Status update against the 2025 report's action list (ToR, MoU, UN-GGCE MMoU, stakeholder onboarding, roadmap) — covers Pillar 1 (Governance, Partnerships & Reporting)

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    56. 45. Remote equipment and multi-use options
      Aletha de Witt (DSTI), Dr Roelf Botha (SARAO)
    57. 29. RFI and Spectrum protection at Hart and Matjies
      Roelf Botha (Manager of Space Goedesy, SARAO)
    58. 1. Welcome & Setting the Scene

      DSTI + DLRRD (Chair/Co-chair)

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    59. 8. Welcome and recap of Day 1
      Aletha de Witt (DSTI)