134 
33./34 Jahresbericht des Deutschen Hydrographischen Instituts 1978/79 
International Geological Correlation Project 
Holocene Sea Level Project: Dr. Figge. 
International Omega Association (IOA) 
Petersen. 
Internationale Astronomische Union (1AU, Internatio 
nal Astronomical Union) 
Commission on lime: Prof. Dr.-Ing. Enslin. 
Commission on Rotation of the Earth: Prof. Dr.-Ing. Ens 
lin. 
Internationale Union fur Geodäsie und Geophysik 
(lUGG, International Union of Geodesy and Geophysics) 
International Association of Geomagnetism and Aero- 
nOmy (IAGA) 
Working Group „Geomagnetic Instruments and 
Standards“: Prof. VoppeL 
Working Group „Ground-based measurements for 
geomagnetic satellite surveys": Prof. Voppel (Chair 
man). 
Internationale Vereinigung der Vermessungsinge 
nieure (FIG, Federation Internationale des Géomètres) 
Commission IV (Hydrographic Surveys): Dr.-Ing. 
Bettac. 
Working Group Data Acquisition and Processing: 
Dr.-Ing. Bettac 
Working Group Positioning Systems: Prof. Dr.-Ing. 
Schrick. 
Working Group Detection of Depth Anomalies: Ber 
ger. 
Internationale Kartographische Vereinigung (IKV) 
Commission on Oceanic Cartography: Dr.-Ing. Bet 
tac 
Internationaler Normenausschuß (ISO, International 
Organization for Standardization) 
Subcommittee ISO/TC 8/SC 16 (Magnetic Compasses 
and Accessoires): Schreitling, Uhlig. 
Working Group 1 (Vibrations): Uhlig (Koordinator). 
Working Group 2 (Salt spray test): Uhlig. 
Working Group 3 (Magnetic moment): Uhlig (Koor 
dinator). 
Scientific Committee on Oceanic Research (SCOR) 
Working Group „Up-welling": Dr. Mittelstaedt 
Union Radio-Sdentifique Internationale (URSI) 
Deutscher URSI-Landesausschuß: Prof. Voppel.