RES235 – 290 – m) that, in some countries, parts of the frequency band are also allocated to the radiolocation service on a secondary basis, limited to the operation of wind profiler radars (No. 5.291A), and also to the radio astronomy service on a secondary basis (No. 5.306), and, according to No. 5.149, administrations are urged to take all practicable steps to protect the radio astronomy service from harmful interference when making assignments to stations of other services, recognizing a) that the GE06 Agreement applies in all Region 1 countries, except Mongolia, and in Iran (Islamic Republic of), in particular for the frequency band 470-862 MHz; b) that the GE06 Agreement contains provisions for the terrestrial broadcasting service and other primary terrestrial services, a Plan for digital television and a list of stations of other primary terrestrial services; c) that a digital entry in the GE06 Plan may also be used for transmissions in a service other than the broadcasting service under the conditions set out in § 5.1.3 of the GE06 Agreement and the provisions of No. 4.4 of the Radio Regulations; d) that information on implementation of the digital dividend and on the transition to digital television and its technological evolution is needed and may not be available before 2019, noting the ongoing development of new applications and technologies of both the broadcasting and mobile services, resolves to invite ITU-R, after the 2019 World Radiocommunication Conference and in time for the 2023 World Radiocommunication Conference 1 to review the spectrum use and study the spectrum needs of existing services within the frequency band 470-960 MHz in Region 1, in particular the spectrum requirements of the broadcasting and mobile, except aeronautical mobile, services, taking into account the relevant ITU Radiocommunication Sector (ITU-R) studies, Recommendations and Reports; 2 to carry out sharing and compatibility studies, as appropriate, in the frequency band 470-694 MHz in Region 1 between the broadcasting and mobile, except aeronautical mobile, services, taking into account relevant ITU-R studies, Recommendations and Reports; 3 to conduct sharing and compatibility studies, as appropriate, in order to provide relevant protection of systems of other existing services, invites administrations to participate actively in the studies by submitting contributions to ITU-R, resolves to invite the 2023 World Radiocommunication Conference to consider, based on the results of studies above, provided that these studies are completed and approved by ITU-R, possible regulatory actions in the frequency band 470-694 MHz in Region 1, as appropriate,