Amateur radio, Enthusiast


Amateur radio operators use various modes of transmission to communicate. Voice transmissions are most common, with some, such as frequency modulation (FM) offering high quality audio, and others, such as single sideband (SSB) offering more reliable communications, often over long distance, when signals are marginal and bandwidth is restricted, at the sacrifice of audio quality.

Radiotelegraphy using Morse code (also known as "CW" from "continuous wave") For many years, demonstrating a proficiency in Morse code was a requirement to obtain amateur licenses for the high frequency bands (frequencies below 30 MHz), but following changes in international regulations in 2003, countries are no longer required to demand proficiency.[8] As an example, the United States Federal Communications Commission phased out this requirement for all license classes on February 23, 2007.[9][10]




Clifton W Dowers

Plantation, Florida 33317

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