Resolution No.5 (1983): Low-altitude magnetic satellite after MAGSAT

IAGA recognising the value of the MAGSAT global vector survey in defining the main magnetic field of 1980, the need for knowledge of the secular variation, its contribution to separating internal and external field variations, and the extreme usefulness of satellite observations of the magnetic field in delineating long-wavelength crustal anomalies and in producing magnetic charts; urges that another magnetic vector field satellite survey be carried out, most desirably at an altitude significantly lower than MAGSAT and preferably before 1990, and notes that a satellite such as the proposed Geopotential Research Mission of the USA would be excellent for the performance of these tasks.