RECOMMENDATION ITU-R F.383-7* - Radio-frequency channel arrangements for high capacity radio-relay systems operating ... ANNEX 1 - Frequency arrangements derived from a homogeneous frequency pattern for the 6 GHz band 1 90 MHz co-channel RF channel arrangements for the lower 6 GHz band 2 60 MHz RF channel arrangements for the 6 GHz band 3 40 MHz radio-frequency channel arrangement for the lower 6 GHz band