965 to 27. 230 MHz in the 20-meter band. While the popularity of a specific band may vary depending on factors such as time of day, propagation conditions, and personal preferences, some bands are generally more popular due to their versatility and reliability. Frequency - Predefined Bands - Most industry types are assigned a pre-defined band (range) for frequencies. Aeronautical Off Route Sub-Bands These bands have been Mar 1, 2023 ยท Download our PDF of CB radio channels and frequencies chart to learn which ones are open to the public and their common uses. HF, VHF, UHF allocations, wavelengths, and propagation characteristics for ham radio operators. 675/channel 20]. Band conditions change from day to day and It’s a good thing that CB radios have 40 available CB radio frequencies & channels with 15 miles of CB channel frequency reach. ) to determine the recommended HF frequencies for contacts from your nearest BASE (New York, Boston, Atlanta, Orlando, Kansas City, Phoenix, San Francisco, and Seattle) to a desired location (local region, country, or continent). The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.

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