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The history of amateur radio, dates from the dawn of radio communications, with published instructions for building simple wireless sets appearing at the beginning of the twentieth century. [1] Throughout its history, amateur radio enthusiasts have made significant contributions to science , engineering , industry , and social services .
The timeline of radio lists within the history of ... permanent transatlantic wireless service from ... (FM) were invented by amateur radio operators. By 1940, they ...
The amateur radio service (amateur service and amateur-satellite service) is established by the International Telecommunication Union (ITU) through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual station licenses with a unique identifying call sign , which must ...
Two way radio services take up most of the rest of the geomagnetic spectrum, including marine VHF radio, amateur radio, the aforementioned citizens band, the Family Radio Service and the General Mobile Radio Service. Unlike most one-way broadcast services, these services are generally limited to voice transmission.
Pages in category "Amateur radio history" The following 13 pages are in this category, out of 13 total. ... War Emergency Radio Service; Women in early radio
The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting.
Radio timelines (1 C, 5 P) Pages in category "History of radio" The following 55 pages are in this category, out of 55 total. ... Amateur radio; Antique radio; B.
Vintage amateur radio is a subset of amateur radio hobby where enthusiasts collect, restore, preserve, build, and operate amateur radio equipment from bygone years, such as those using vacuum tube technology.