Acknowledgements

This programme is partially supported by the United Nations University. Swisscomm has donated microwave links and measurement instruments and equipment which constitute the foundation for the establishment of a laboratory which is being utilized for practical exercises in the framework of the programme and the concrete field operations.

Our appreciation also goes to Dr A. Nobile, one of the coordinators of the programme, and Dr. E. Ekuwem, Mr. A. Maggi and C. E. Onime who are actively participating in this project.