fixed stations operating above 2025 MHz, the following standards apply: * * * * * (b) All fixed stations are to use antenna systems in conformance with the standards of this section. TV auxiliary broadcast stations are considered to be located in an area subject to frequency congestion and must employ a Category A antenna when: * * * Section 74.643 is proposed to be revised to read as follows: § 74.643 Interference to geostationary-satellites. Applicants and licensees must comply with § 101.145 of this chapter to minimize the potential of interference to geostationary satellites. Section 74.644 is proposed to be amended by revising the table in paragraph (a) and paragraph (b) to read as follows: § 74.644 Minimum path lengths
operating above 2025 MHz, the following standards apply: * * * * * (b) All fixed stations are to use antenna systems in conformance with the standards of this section. TV auxiliary broadcast stations are considered to be located in an area subject to frequency congestion and must employ a Category A antenna when: * * * * * Section 74.643 is revised to read as follows: § 74.643 Interference to geostationary-satellites. Applicants and licensees must comply with § 101.145 of this chapter to minimize the potential of interference to geostationary-satellites. Section 74.644 is amended by revising the table in paragraph (a) and paragraph (b) to read as follows: § 74.644 Minimum path lengths for fixed links. (a) * * *