Mitarbeit ln Ausschiis sen 
109 
Deutsch-norwegische Regierungskommission für die Ekofisk-Bmden 
Gas-Plpellne 
Goebel 
Technical Working Group: Baumgarth 
4.3.4 International - ni chtstaatlieh 
European Association of Remote Sensing Laboratories (EARSeL) 
Working Group "SEASAT Users Group of Europe" (SURGE): Strübing 
Federation of Astronomical and Geophysical Services (FAGS) 
Prof. Dr.-Ing. Enslin (Präsident) 
International Geological Correlation Project 
Holocene Sea Level Project: Dr. Figge 
International Omega Association (IOA) 
Petersen 
Internationale Astronomische Union (IAU, International Astrono 
mical Union) 
Commission on Time: Prof. Dr.-Ing. Enslin 
Commission on Rotation of the Earth: Prof. Dr.-Ing. Enslin 
Internationale Union für Geodäsie und Geophysik (IUGG, Interna 
tional Union of Geodesy and Geophysics) 
Organisationskomitee für die XVIII Generalversammlung (Hamburg, 
1983): Heise, Koltermann, Rudloff, Prof. Voppel 
International Association of Geomagnetism and Aeronomy (IAGA) 
Working Group "Geophysical Indices": Prof. Voppel 
Working Group "Ground-Based Measurements for Geomagnetic 
Satellite Surveys": Prof. Voppel 
Internationale Vereinigung der Verme ssungsingenieure (FIG, Fédé 
ration Internationale des Géomètres) 
Commission IV (Hydrographie 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: Berger