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4 mar 2024 · From Low Frequency (LF) to Very-High Frequencies (VHF), each band has distinct characteristics and propagation conditions. Frequency allocations vary by country and ITU region. Understanding band usage and regulations is crucial for effective communication among ham radio operators worldwide.
This map shows real-time radio propagation from stations operating on 11 bands between 1.8 and 54 MHz in the amateur radio service. The display shows worldwide activity from the last 15 minutes and is automatically updated about every minute.
Information about the US Amateur Bands is available on the Frequency Allocations page as well as the frequency bands chart. Printing the band charts Download and print PDF documents using Adobe Reader or your Web Browser.
The following frequencies are generally recognized for certain modes or activities (all frequencies are in MHz) during normal conditions. These are not regulations and occasionally a high level of activity, such as during a period of emergency response, DXpedition or contest, may result in stations operating outside these frequency ranges.
14 kwi 2022 · US Amateur Radio Frequency Allocations Graphical Chart · Regulatory Information Branch For each band, only those license classes with privileges on that band are listed.
only the 2.8 kHz centered around each of these frequencies. The FCC changed one frequency effective March 5, 2012 and now grants amateurs access to channels centered on 5332, 5348, 5358.5, 5373, and 5405 kHz. The last channel, 5405kHz is common to the UK amateur 5-MHz experimental band plan.
U.S.A. Amateur Radio VHF/UHF Band Plan. This Band Plan is meant to be a general guide and local band plans take precedence. Under restructuring, all Advanced license classes retain their operating privileges. https://utc.org/plc-database-ama-teurnotification-process/. You will need to register once for each band.
