The workshop took place on 5th – 7th October 2026 at Ole-Sereni, Nairobi, Kenya, with all sessions streamed online. Thank you to all the speakers, moderators and participants, in person and online. All times below are East Africa Time (EAT, UTC+3).
Recordings, slides and session summary notes are linked under each session below. The summary notes were written from the session transcripts and are a guide, not an official record: please check against the recording before quoting anyone.
08:00 – 09:00
REGISTRATION
Moderator: Molyne Maranga
09:00 – 10:30
OPENING CEREMONY
Moderator: Paul Baki
- Security briefing, welcome and round of introductions (recording)
- Welcome message – Hubert Mathebula (Global Geodetic Observing System - Africa)
- Welcome message – Richard Gross (President, International Association of Geodesy; IAG)
- Welcome message – Jack Radcliffe on behalf of Dr.-Ing. Laura Sánchez (President; Global Geodetic Observing System)
- Welcome message – Mr Nicholas Brown (UN-Global Geodetic Centre of Excellence; online)
- Welcome message – Mr Andre Nonguierma (UN-GGIM-Africa)
- Welcome message – Mr Weldon Maritim (Director: Survey of Kenya)
- Opening speech – Prof. Benedict M. Mutua, Ph.D., Rer. Nat., EBS (Vice Chancellor: The Technical University of Kenya)
10:30 – 11:00
BREAK & NETWORKING
11:00 – 13:00
SESSION 1: GLOBAL & AFRICAN GEODESY PERSPECTIVES
Moderator: Hussein Farah
- State of Global Geodesy / UN-GGCE Africa Survey – Nicholas Brown (online)
- Development of Geodesy in Africa – Andre Nonguierma
- Historical Perspective of Geodesy in Africa – Patrick Voster
- Interactive Discussions
13:00 – 14:00
LUNCH BREAK
14:00 – 15:00
SESSION 2: INTRODUCTION TO GGOS & GGOS-AFRICA
Moderator: Jack Radcliffe
- Global Geodetic Observing System – Laura Sanchez (online)
- GGOS-Africa (Framework, Objectives and ToRs) – Hubert Mathebula
- Interactive Discussions
15:00 – 15:30
BREAK
15:30 – 16:30
SESSION 3: GEODETIC & SPACE INFRASTRUCTURE IN AFRICA
Moderator: Emmanuel Proven-Adzri
- Geodetic Infrastructure in Africa (GGOS Africa Survey) – Godfrey Ogonda
- Space Geodesy in Africa - Identifying New Fundamental Sites – Roelf Botha
- Interactive Discussions
09:00 – 10:30
SESSION 4: AFREF INFRASTRUCTURE & VERTICAL DATUM
Moderator: Roelf Botha
- AFREF Infrastructure – Fernand Bale
- CORS in Africa – Martin Murimi
- Vertical Datum – Siphiwe Mphuri
- Interactive Discussions
10:30 – 11:00
BREAK & NETWORKING
11:00 – 13:00
SESSION 5: COUNTRY PRESENTATIONS
Moderator: Hussein Farah
- Public-Private Partnerships in Establishment of Geodetic Networks – Yao Ziggy
- Country Presentation: Tunisia – Zouheir Fatnassi
- Country Presentation: Nigeria – Joseph Dodo
- Country Presentation: Zimbabwe – Charles Paradzayi
- Country Presentation: Uganda – Robert Wafula
- (Session 6) GNSS-IR monitoring of coastal and onland water levels in Cameroon – Dr Yap Loudi
- Interactive Discussions
13:00 – 14:00
LUNCH BREAK
14:00 – 15:00
SESSION 6: CONTRIBUTIONS OF AFRICAN GEODESY
Moderator: Bruno Kyamulesire
- Contribution of Africa Geodesy to Geodynamics – Elfuraha Saria
- Contribution of Africa Geodesy to Astronomy – Roelf Botha / Emmanuel Proven-Adzri / Jack Radcliffe
- Contribution of Africa Geodesy to Space Weather – Paul Baki
- Close of Day 2 and announcements (discussion moved to Wednesday morning) (recording)
15:00 – 15:30
BREAK
09:30 – 10:45
SESSION 7: GGOS-AFFILIATES PRESENTATIONS
Moderator: Jack Radcliffe
- Interactive discussion (for session 6)
- Presentations by GGOS Affiliates (starting at 10:00)
10:45 – 11:00
BREAK & NETWORKING
11:00 – 13:00
SESSION 8: HUMAN RESOURCE CAPACITY IN GEODESY
Moderator: Roelf Botha
- Human Resource Capacity and Computational Infrastructure in Africa (GGOS-Africa Survey) – Godfrey Ogonda
- Geodesy Education at AFRIGIST – Lazarus Ojiji
- Geodesy Education at RCMRD – Martin Murimi
- Pan-African Geodetic Research Consortium (PAGRC) – Charles Paradzayi
- Interactive Discussions
13:00 – 14:00
LUNCH BREAK
14:00 – 15:30
SESSION 9: GGOS & AFREF ANALYSIS CENTERS
Moderator: Hussein Farah
- GGOS Analysis Centers – Aletha de Witt (online)
- CORS System Analysis and Computations – Muya Kamamia
- First Computations of AFREF – Elfuraha Saria
- AFREF Analysis Center – Andre Nonguierma
- Interactive Discussions
15:30 – 16:00
BREAK & NETWORKING
16:00 – 17:00
SESSION 10: WAY FORWARD & CLOSING CEREMONY
Moderator: Paul Baki
- Way Forward for GGOS-Africa Implementation – Hubert Mathebula
- Adoption of Workshop Resolutions – Hussein Farah
- Official Closing Ceremony – Jack Radcliffe
- Modern Geodesy and Imperatives for Integrated Capacity Development in Africa – Lazarus Mustapha Ojigi (AFRIGIST)