The Committee on Space Research (COSPAR), the Bureau international des poids et mesures (BIPM), the International Association of Institutes of Navigation (IAIN), the Union radio-scientifique internationale (URSI) and the International Telecommunication Union (ITU).
The Committee on Space Research (COSPAR), the Bureau international des poids et mesures (BIPM), the International Association of Institutes of Navigation (IAIN), the Union radio-scientifique internationale (URSI) and the International Telecommunication Union (ITU).