Radio Regulations
Source: the Radio Regulations published by the International Telecommunication Union (ITU).
Suppressed at WRC-2003
Last known text (before suppression)
5.551A In the band 35.5-36.0 GHz, active spaceborne sensors in the earth exploration-satellite and space research services shall not cause harmful interference to, claim protection from, or otherwise impose constraints on operation or development of the radiolocation service, the meteorological aids service and other services allocated on a primary basis. MOD GHz 37-42.5 Allocation to Services Region 1 Region 2 Region 3 40.5-42.5 40.5-42.5 40.5-42.5 FIXED FIXED FIXED BROADCASTING FIXED-SATELLITE FIXED-SATELLITE (space-to-Earth) (space-to-Earth) BROADCASTING- S5.551B S5.551E S5.551B S5.551E SATELLITE BROADCASTING BROADCASTING Mobile BROADCASTING- BROADCASTING- SATELLITE SATELLITE Mobile Mobile
Frequency bands (0)
No band in the catalogue carries this footnote — usually because the conference struck it out.
Version history
The wording adopted at each conference, newest first.
Current text
5.551A (SUP - WRC-03)
Current text
5.551A In the band 35.5-36.0 GHz, active spaceborne sensors in the earth exploration-satellite and space research services shall not cause harmful interference to, claim protection from, or otherwise impose constraints on operation or development of the radiolocation service, the meteorological aids service and other services allocated on a primary basis. MOD GHz 37-42.5 Allocation to Services Region 1 Region 2 Region 3 40.5-42.5 40.5-42.5 40.5-42.5 FIXED FIXED FIXED BROADCASTING FIXED-SATELLITE FIXED-SATELLITE (space-to-Earth) (space-to-Earth) BROADCASTING- S5.551B S5.551E S5.551B S5.551E SATELLITE BROADCASTING BROADCASTING Mobile BROADCASTING- BROADCASTING- SATELLITE SATELLITE Mobile Mobile
Source: ITU Radio Regulations, editions of 2008, 2012, 2016, 2020 and 2024. The English, French and Spanish texts are each taken from the official edition in that language, not translated from one another. Sources and citation.