Title 47, Telegraphs, Telephones, and RadiotelegraphsRelease 119-102

§323 Interference Between Government and Commercial Stations

Title 47 › CHAPTER 5 — WIRE OR RADIO COMMUNICATION › SUBCHAPTER III — SPECIAL PROVISIONS RELATING TO RADIO › Part I — General Provisions › § 323

Last updated Aug 21, 2026|Official source

Summary

When a government land radio station and a private or commercial land radio station are so close that their signals interfere, the private or commercial stations that cause interference must not use their transmitters during the first fifteen minutes of every hour, local standard time. The government stations covered by this rule must transmit only during those first fifteen minutes of each hour, local standard time, except for distress signals or when a vessel asks for information about its course, location, or compass direction.

Full Legal Text

Title 47, §323

Telegraphs, Telephones, and Radiotelegraphs, Source: USLM XML via OLRC

(a)At all places where Government and private or commercial radio stations on land operate in such close proximity that interference with the work of Government stations cannot be avoided when they are operating simultaneously, such private or commercial stations as do interfere with the transmission or reception of radio communications or signals by the Government stations concerned shall not use their transmitters during the first fifteen minutes of each hour, local standard time.

(b)The Government stations for which the above-mentioned division of time is established shall transmit radio communications or signals only during the first fifteen minutes of each hour, local standard time, except in case of signals or radio communications relating to vessels in distress and vessel requests for information as to course, location, or compass direction.

Reference

Citations & Metadata

Citation

47 U.S.C. § 323

Title 47, Telegraphs, Telephones, and Radiotelegraphs

Last Updated

Aug 21, 2026

Release point: 119-102