116 
36. Jahresber. Dt. Hydrogr. Inst. 1981 
Internationaler Normenausschuß (ISO, International Organization for 
Standardization) 
Subcommittee ISO/TC 8/SC 16 (Magnetic Compasses and Accessories): 
Schreitllng, Uhlig 
Working Group 3 (Magnetic moment): Uhlig (Koordinator) 
Union Radlo-Sclentlflque Internationale (URSI) 
Deutscher URSI-Landesausschuß: Prof. Voppel 
International Maritime Satellite Organization (INMARSAT), Council, Advi 
sory Committee on Technical and Operational Matters (ACTOM): Hammer 
schmidt 
Internationale Assoziation für Geodäsie (TAG, International Association 
of Geodesy) 
Special Study Group 1.52 (Point Positioning in Marine Geodesy): Prof. 
Dr.—Ing. Schrlek