{"data":{"id":"us/47-cfr-73.761","jurisdiction":"us","citation":"47 CFR 73.761","heading":"Modification of transmission systems.","body":"Specific authority, upon electronic filing of a formal application (FCC Form 309) therefor in the International Communications Filing System (ICFS), is required for any of the following changes:\n(a) Change involving an increase or decrease in the power rating of the transmitters.\n(b) A replacement of the transmitters as a whole.\n(c) Change in the location of the transmitting antenna.\n(d) Change in the power delivered to the antenna.\n(e) Change in frequency control and/or modulation system.\n(f) Change in direction or gain of antenna system.\n(g) Other changes, not specified above in this section, may be made at any time without the authority of the Commission: Provided, That the Commission shall be immediately notified electronically in ICFS thereof and such changes shall be shown in the next application for renewal of license.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER C—BROADCAST RADIO SERVICES","PART 73—RADIO BROADCAST SERVICES","Subpart F—International Broadcast Stations"],"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":"6e248e246f6c05b4624fdf069eb860b144784c5e8082ef0ac911033ab56b29b5","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-73.759","next":"us/47-cfr-73.762"},"notice":"GroundRules: Original legal text. Not legal advice."}