A feeder link is – according to Article 1.115 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR)[1] – defined as:
A radio link from an earth station at a given location to a space station, or vice versa, conveying information for a space radiocommunication service other than for the fixed-satellite service. The given location may be at a specified fixed point, or at any fixed point within specified areas.
Each station shall be classified by the service in which it operates permanently or temporarily.
- ^ ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.115, definition: feeder link