§ 22.593 47 CFR Ch. I (10–1–10 Edition)

fixed stations located in the State of subject to the transition rules in Hawaii. § 22.602. No new microwave systems will [59 FR 59507, Nov. 17, 1994; 60 FR 9889, Feb. 22, be authorized under this part. 1995, as amended at 70 FR 19309, Apr. 13, 2005] (a) Coordination required. Before filing applications for authority to modify § 22.593 Effective radiated power lim- existing stations on these channels or its. major amendments to such applica- The effective radiated power of fixed tions, carriers must coordinate the stations operating on the channels list- planned channel usage, using the pro- ed in § 22.591 must not exceed 150 Watts. cedure outlined in § 22.150, with affected The equivalent isotropically radiated parties in this radio service and the power of existing fixed microwave sta- Point-to-Point Microwave Service and tions (2110–2130 and 2160–2180 MHz) li- the Multipoint Distribution Service. censed under this part (pursuant to Affected parties are licensees and other former rules) must not exceed the ap- applicants with previously filed pend- plicable limits set forth in § 101.113 of ing applications whose stations could this chapter. affect or be affected by the proposed [70 FR 19309, Apr. 13, 2005] modification of the existing station in terms of interference. § 22.599 Assignment of 72–76 MHz (b) System parameters. In designing a channels. system modification, the applicant Because of the potential for inter- must select sites, equipment and chan- ference to the reception of TV Chan- nels that will avoid harmful inter- nels 4 and 5 by broadcast television ference to other users. All parties must sets and video recorders, assignments cooperate fully and make reasonable of the 72–76 MHz channels are subject efforts to resolve technical problems to the following conditions: and conflicts that may inhibit the (a) Assignments of 72–76 MHz chan- most effective and efficient use of the nels for use within 129 kilometers (80 radio spectrum; however, a party re- miles) of a full service TV station ceiving notification is not obligated to transmitting on TV Channel 4 or 5 are suggest changes or re-design a proposal subject to the condition that the li- in cases involving conflicts. The appli- censee must eliminate any interference caused to television reception on TV cant must identify in the application Channels 4 and 5. If the FCC notifies all parties with which the technical the licensee of an interference problem proposal was coordinated. In the event and the licensee does not resolve the that technical problems are not re- problem within 90 days of such notifi- solved or if an affected party does not cation, operation of the interfering 72– respond to coordination efforts within 76 MHz fixed station must be imme- 30 days after notification, an expla- diately discontinued. nation must be contained in the appli- (b) 72–76 MHz channels may be as- cation. Where technical conflicts are signed for use within 16 kilometers (10 resolved by an agreement between the miles) of a full service TV station parties that requires special procedures transmitting on TV Channel 4 or 5 to reduce the likelihood of harmful in- under a developmental authorization, terference (such as the use of artificial pursuant to § 22.413. However, for use site shielding), or would result in a re- within 50 meters (164 feet) of a TV sta- duction of quality or capacity of either tion transmitting on TV Channel 4 or 5, system, the details thereof must be 72–76 MHZ channels may be assigned contained in the application. under a regular authorization, rather (c) Bandwidth. Applicants must re- than a developmental authorization. quest the minimum emission band- § 22.601 Existing microwave stations width necessary. The FCC does not au- licensed under this part. thorize bandwidths larger than 800 kHz under this part. Existing microwave stations (2110– 2130 and 2160–2180 MHz) licensed under [59 FR 59507, Nov. 17, 1994, as amended at 70 this part (pursuant to former rules) are FR 19309, Apr. 13, 2005]

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