FA – XII – Page RESOLUTION 763 (WRC-15) Stations on board sub-orbital vehicles ............................ 415 RESOLUTION 764 (WRC-15) Consideration of the technical and regulatory impacts of referencing Recommendations ITU-R M.1638-1 and ITU-R M.1849-1 in Nos. 5.447F and 5.450A of the Radio Regulations ......................................................................................... 417 RESOLUTION 765 (WRC-15) Establishment of in-band power limits for earth stations operating in mobile-satellite service, the meteorological-satellite service and the Earth exploration-satellite service in the frequency bands 401-403 MHz and 399.9-400.05 MHz ..................................... 419 RESOLUTION 766 (WRC-15) Consideration of possible upgrading of the secondary allocation to the meteorological-satellite service (space-to-Earth) to primary status and a primary allocation to the Earth exploration- satellite service (space-to-Earth) in the frequency band 460-470 MHz ..................................................................................... 421 RESOLUTION 767 (WRC-15) Studies towards an identification for use by administrations for land-mobile and fixed services applications operating in the frequency range 275-450 GHz ................................. 424 RESOLUTION 809 (WRC-15) Agenda for the 2019 World Radiocommunication Conference ......................................................................................... 426 RESOLUTION 810 (WRC-15) Preliminary agenda for the 2023 World Radiocommunication Conference ...................................................... 430 RESOLUTION 901 (REV.WRC-15) Determination of the orbital arc separation for which coordination would be required between two satellite networks operating in a space service not subject to a Plan ............... 432 RESOLUTION 903 (REV.WRC-15) Transitional measures for certain broadcasting-satellite/fixed-satellite service systems in the frequency band 2 500-2 690 MHz ............................................................................... 434 RESOLUTION 906 (REV.WRC-15) Electronic submission of notices for terrestrial services to the Radiocommunication Bureau and exchange of data between administrations ..................................................................... 436 RESOLUTION 907 (REV.WRC-15) Use of modern electronic means of communication for administrative correspondence related to advance publication, coordination and notification of satellite networks including that related to Appendices 30, 30A and 30B, earth stations and radio astronomy stations .............................................................................. 439 RESOLUTION 908 (REV.WRC-15) Electronic submission and publication of satellite network filings.................................................................................... 441 RESOLUTION 958 (WRC-15) Urgent studies required in preparation for the 2019 World Radiocommunication Conference ........................................... 442