This Recommendation briefly describes some essential characteristics of deep-space telecommunications. These characteristics influence or determine the requirements for selection of candidate bands, coordination, band sharing and protection from interference.
ITU-R SA.1014-2-2011 history
2017ITU-R SA.1014-2017 Telecommunication requirements for manned and unmanned deep-space research
2011ITU-R SA.1014-2-2011 Telecommunication requirements for manned and unmanned deep-space research