RES658 – 379 – ADD RESOLUTION 658 (WRC-15) Allocation of the frequency band 50-54 MHz to the amateur service in Region 1 The World Radiocommunication Conference (Geneva, 2015), considering a) that fully or partially harmonized worldwide frequency bands for radiocommunication services are desirable in order to achieve international operability; b) that there is a need to establish sharing conditions when considering frequency bands for possible additional allocations to any service, noting a) that the frequency band 50-54 MHz is allocated to the amateur service on a primary basis in Region 2 and Region 3; b) that No.5.169 of the Radio Regulations provides for an alternative allocation to the amateur service on a primary basis in a number of countries in Region 1; c) that No. 5.162A of the Radio Regulations provides for an additional allocation to the radiolocation service on a secondary basis in a number of countries, limited to the operation of wind profiler radars in accordance with Resolution 217 (WRC-97); d) that the frequency band 47-68 MHz is allocated to the broadcasting service on a primary basis in Region 1, and this band, or part of it, is allocated to the mobile service on a primary basis in a number of countries in Region 1; e) that No. 5.167 of the Radio Regulations and other relevant footnotes in this frequency band provide for alternative and additional allocations to the fixed, mobile and broadcasting services on a primary basis, resolves to invite the 2019 World Radiocommunication Conference to consider the results of the studies below and take appropriate actions, including spectrum allocation, invites ITU-R 1 to study spectrum needs in Region 1 for the amateur service in the frequency band 50-54 MHz; 2 taking into account the results of the above studies, to study sharing between the amateur service and the mobile, fixed, radiolocation and broadcasting services, in order to ensure protection of these services.