| 1 Systems for space operation, space research, Earth exploration and meteorology, including the related use of links in the inter satellite service. 2 Systems for remote sensing, including passive and active sensing systems, operating on both ground-based and space-based platforms. 3 Radio astronomy and radar astronomy. 4 Dissemination, reception and coordination of standard-frequency and time-signal services, including the application of satellite techniques, on a worldwide basis. |