47 C.F.R. § 25.215 Technical requirements for space stations in the Direct Broadcast Satellite Service.
Title 47 - Telecommunication
In addition to §25.148(f), space station antennas operating in the Direct Broadcast Satellite Service must be designed to provide a cross-polarization isolation such that the ratio of the on-axis co-polar gain to the cross-polar gain of the antenna in the assigned frequency band shall be at least 30 dB within its primary coverage area. [67 FR 51114, Aug. 7, 2002]
Title 47: Telecommunication
PART 25—SATELLITE COMMUNICATIONS
Subpart C—Technical Standards
§ 25.215 Technical requirements for space stations in the Direct Broadcast Satellite Service.
