{"data":{"id":"us/47-cfr-25.289","jurisdiction":"us","citation":"47 CFR 25.289","heading":"Protection of GSO networks by NGSO systems.","body":"(a) Unacceptable interference. Unless otherwise provided in this chapter, an NGSO system licensee must not cause unacceptable interference to, or claim protection from, a GSO FSS or GSO BSS network.\n(1) An NGSO FSS licensee operating in compliance with the applicable equivalent power flux-density limits in Article 22, Section II of the ITU Radio Regulations (incorporated by reference, § 25.108) will be considered as having fulfilled this obligation with respect to any GSO network.\n(2) [Reserved]\n(b) Coordination. GSO and NGSO satellite operators must coordinate in good faith the use of commonly authorized frequencies in the 10.7-12.7, 17.3-18.6, or 19.7-20.2 GHz bands in the United States.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER B—COMMON CARRIER SERVICES","PART 25—SATELLITE COMMUNICATIONS","Subpart D—Technical Operations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"6b81f16aadd621514d16ba4c450157018688077cf505fac2e5841b245bba659f","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-25.288","next":"us/47-cfr-25.290"},"notice":"GroundRules: Original legal text. Not legal advice."}