This revision of the Handbook on National Spectrum Management involved a major update and expansion of the 1995 edition. It was developed by a Rapporteur Group established for this purpose by Radiocommunication Study Group 1. Mr. Robert J. Mayher, former Chairman of Study Group 1 served as Rapporteur of the group, assisted by the Counsellor, Mr. Dusan Schuster. Members responsible for revisions to the chapters included Mr. Steven Bond, Mr. Dave Barrett, Mr. Howard Del Monte, Mr. William Luther, Mr. Philippe Mège, Mr. Alexandre Pavliouk, Mr. Thomas Racine, Mr. Jan Verduijn and Mr. Roy Woolsey.