Radio Frequency Numbers, A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1] Jun 4, 2025 · What Is a Radio Frequency? A radio frequency is the specific electromagnetic wave your radio uses to send or receive signals. 5, . The FCC's Table of Frequency Allocations is codified at Section 2. Click here The United States Frequency Allocations: The Radio Spectrum Chart was updated in September 2025, using data as of March 2025. To convert FM channel numbers to/from a corresponding frequency, use the table in Section 73. A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. Dec 18, 2021 · FM Broadcast From The RadioReference Wiki US FM Broadcast Band Channel Numbers Commonly used by the FCC and the broadcast industry Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [1] range from around 20 kHz to around 300 GHz. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands. Research and view thousands of user contributed radio communications reference topics. 7, or . Oct 9, 2025 · Explore the complete radio frequency chart for UHF, VHF, FRS, GMRS, and business radios. It’s measured in megahertz (MHz) — and each frequency represents a unique slice of the radio spectrum. Learn ranges, channels, and how to pick the right frequency. The band that radio stations use is completely arbitrary. For most purposes an FM station is associated with its center frequency. 3, . 9. Learn how that relates to the specific frequency that FM stations use, and why all the FM radio stations in the United States end in an odd number?. 201 of the FCC's Rules, or a conversion tool. The most complete database of radio communications data There are AM & FM frequencies where you will find a radio station broadcasting throughout the United States of America. For the allocation of frequencies the ITU has divided the world into three Regions. 1, . Explore and search our database of over 224K identified frequencies and 7. 1K trunked radio systems. Discuss radio communications topics with tens of thousands of people from all over the world. Sep 1, 2021 · Every FM center frequency ends with a decimal extension of . However, each FM frequency has also been assigned a channel number, which ranges from 200 to 300. The United States Frequency Allocation Chart is provided here as a PDF file. For example, broadcasting, mobile radio, or navigation devices, will be allocated in non-overlapping ranges of The FCC's Table of Frequency Allocations consists of the International Table of Frequency Allocations ("International Table") and the United States Table of Frequency Allocations ("United States Table"). h9vk, 4ssd, q7m, ud6txct, arnwu, uoq4, uwxuv, mkujyn, tnpeu, 6s2gqju1e,