tokens: ['Radio', 'Astronomy', 'Service', 'RAS', 'is', 'a', 'receiveonly', 'service', 'that', 'uses', 'highly', 'sensitive', 'receivers', 'to', 'examine', 'and', 'study', 'radio', 'waves', 'of', 'cosmic', 'origin', 'The', 'band', '', 'MHz', 'in', 'China', 'and', 'the', 'band', '', '', '', 'MHz', 'in', 'India', 'are', 'allocated', 'to', 'the', 'radio', 'astronomy', 'service', 'on', 'a', 'primary', 'basis', 'as', 'captured', 'in', 'clause', '', 'Referring', 'to', '', 'FCC', 'requires', 'the', 'geographical', 'separation', 'of', '', 'MHz', 'base', 'station', 'from', 'the', 'RAS', 'telescopes', 'This', 'requirement', 'is', 'assumed', 'as', 'a', 'baseline', 'for', 'the', 'coexistence', 'with', 'RAS', 'also', 'for', 'APT', 'region', 'until', 'further', 'detail', 'is', 'provided', 'by', 'these', 'administrations', 'ITUR', 'made', 'a', 'compatibility', 'and', 'sharing', 'studies', 'between', 'the', 'radio', 'astronomy', 'service', 'and', 'IMT', 'systems', 'The', 'conclusion', 'based', 'on', 'measured', 'IMT', 'equipments', 'indicated', 'that', 'the', 'compatibility', 'between', 'RAS', 'stations', 'and', 'IMT', 'systems', 'can', 'be', 'achieved', 'using', 'separation', 'distances', 'of', 'order', '', '', '', 'kilometres', 'between', 'a', 'RAS', 'antenna', 'and', 'an', 'IMT', 'macro', 'rural', 'base', 'stations', 'and', 'of', 'order', '', '', '', 'kilometres', 'for', 'a', 'mobile', 'terminals', 'assuming', 'an', 'unwanted', 'emission', 'level']