adopted by ITU bodies. A brief review of some of the relevant instruments is essential in order to identify problems that are likely to be encountered in negotiating international agreements on geostationary orbit availability. It was during the 1971 World Administrative Radio Conference for Space Telecommunications (WARC-ST) that a resolution was adopted which took into account that all countries had "equal rights in the use of both the radio frequencies allocated to various space radiocommunication services and the geostationary satellite orbit for these services" and that "the radio frequency spectrum and the geostationary satellite orbit" were "limited natural resources" which were to be "most effectively and economically used." In recognition of this, the legally not binding instrument went on to resolve: 1. [T]hat the registration with the ITU of frequency assignments for space radiocommunication services and their use should not provide any permanent priority for any individual country or groups of countries and should not create an obstacle to the establishment of space systems by other countries; 2. [T]hat, accordingly, a country or a group of countries having registered with the ITU frequencies for their space radiocommunication services should take all practicable measures to realize the possibility of the use of new space systems by other countries or groups of countries so desiring. In another resolution the same conference reiterated the importance of making the best use of the geostationary orbit and the Q frequencies assigned to the broadcasting satellite service. Also, the same conference revised the Radio Regulations which have the force of a treaty to provide, in part, for a procedure to coordinate use of the geostationary orbit in the following manner:
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