RES236 – 293 – emphasizing a) that, in the frequency bands in which these current and future systems operate, railway radiocommunication systems between train and trackside should be compatible with a variety of other systems; b) that the provisions of Nos. 1.59 and 4.10 do not apply for railway radiocommunication systems, resolves to invite the 2019 World Radiocommunication Conference based on the results of ITU-R studies, to take necessary actions, as appropriate, to facilitate global or regional harmonized frequency bands, to the extent possible, for the implementation of railway radiocommunication systems between train and trackside, within existing mobile-service allocations, invites ITU-R to study the spectrum needs, technical and operational characteristics and implementation of railway radiocommunication systems between train and trackside, invites Member States, Sector Members, Associates and Academia to participate actively in the study by submitting contributions to ITU-R, instructs the Secretary-General to bring this Resolution to the attention of International Union of Railways (UIC) and other relevant international and regional organizations.