| Working Party 8D and Drafting Groups | Subject | Chairman | 
| WP 8D | Mr.
T. Mizuike KDDI Corporation Tel: +81 492 787810 E-mail: ta-mizuike@kddi.com | |
| 8D1 | MSS system concepts, technical characteristics, performance objectives | Dr. K. Kosaka
      (Japan) Email: katsuhiko.kosaka@ties.itu.int | 
| 8D2 | IMT-2000 satellite component and sharing within MSS | Mr. S. Harding (UK) steve.harding@ofcom.org.uk | 
| 8D3 | Sharing with FS, MS, BS and space science services/General | Mr. D. Weinreich (USA) david.weinreich@globalstar.com | 
| 8D4 | Radionavigation satellite service and feeder links | Mr. C. Hofer (USA) chofer@ntia.doc.gov | 
Rapporteurs:
| SG 1, TG 1/9 | Mr. J. Guyomard (France) Email: guyomard@anfr.fr | 
| WP 4A | Mr. D. Jansky
      (USA) Email: jansky-barmat@intr.net | 
| WP 4B | Mr. D. Weinreich
      (USA) Email: david.weinreich@globalstar.com | 
| WP 7B, 7C | Mr. M. Otter (ESA) Email: manotter@t-online.de | 
| WP 7D | Mr. J. Guyomard (France) Email: guyomard@anfr.fr | 
| WP 8A | Dr. K. Kosaka
      (Japan) Email: katsuhiko.kosaka@ties.itu.int | 
| WP 8B | Mr. B. Louvet
      (France) Email: benoit.louvet@alcatelaleniaspace.com | 
| WP 8F | Mr. F.
      Le Boulch
      (France) Email: francois.le-boulch@alcatelaleniaspace.com | 
| WP 9D | Mr. A. Klyucharev (Russian Federation) Email: alexander.klyucharev@ties.itu.int | 
| ICG-SAT | Mr. D. Weinreich
      (USA) Email: david.weinreich@globalstar.com |