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The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
ABS-CBN HD was also made available on Sky Direct, iWant, and Sky On Demand. On May 5, 2020, ABS-CBN HD dissolved its operations, together with its SD feed and other ABS-CBN's free TV and radio stations, following the cease-and-desist order from the National Telecommunications Commission after its legislative franchise expired on May 4. [71]
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.
Their first product was a vacuum tube radio released in 1955, [3] [4] and their first transistor radio was the KR-6TS-1 radio released in the spring of 1957 [5] [6] at the price of 14,000 yen. [7] Through the 1960s, Koyo had manufactured and sold millions of portable transistor radios, particularly, their best-selling model KTR-624 had been ...
The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.
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 .
While the basic idea of the Dream Machine is simply a combination of an analog radio and a digital clock, actual display technology evolved with time, from mechanical Flip Page at introduction, to VFD (1970s - 80s), and eventually to more energy efficient LED / OLED (primarily 1990s onward). Certain later models were also capable of docking ...
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.