The ITU Radiocommunication Assembly considering a)that, at present, feeder links between fixed earth stations and space station of any radiocommunication service may be provided in the frequency bands allocated to the fixed-satellite service (FSS);b)that, in the interest of spectrum conservation, many frequency bands have been allocated on a shared basis to the FSS and terrestrial services.
ITU-R QUESTION 278/4-2009 history
2009ITU-R QUESTION 278/4-2009 Use of operational facilities to meet power flux-density limitation under Article 21 of the Radio Regulations