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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.
Radio amateurs use a variety of transmission modes, including Morse code, radioteletype, data, and voice. Specific frequency allocations vary from country to country and between ITU regions as specified in the current ITU HF frequency allocations for amateur radio.
5 cze 2023 · Learn about the HAM radio frequencies and bands allocated by the FCC for different license classes and operating modes. Download a PDF chart of the frequency ranges and modes for each band from 30 kHz to 30 GHz.
14 kwi 2022 · Find out the frequency bands, modes, power limits and regulatory information for US amateur radio licensees. See graphical chart and detailed tables for each band and license class.
27 lip 2023 · Learn about the different radio frequencies and their common uses for ham radio operators. Find out how ham radios work, what equipment you need, and how to get licensed.
Learn about the ham radio frequency bands, modes and resources for different regions and levels of license. Find downloads, apps and guides for LF-MF-HF, VHF-UHF, repeaters, beacons and PSK31.
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.
