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Software License Operating Systems Features Amateur Contact Log by N3FJP Proprietary Windows Logging, Transceiver control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), Awards, DX Spots, Digital Modes
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 .
Amateur television (ATV) is the transmission of broadcast quality video and audio over the wide range of frequencies of radio waves allocated for radio amateur (Ham) use. [1] ATV is used for non-commercial experimentation, pleasure, and public service events.
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.
Early 1990s: Amateur radio experimenters began to use personal computers with audio cards to process radio signals. 1994: The U.S. Army and DARPA launched an aggressive successful project to construct a software radio that could become a different radio on the fly by changing software.
The person most commonly credited with first cooking the dish is Peng Chang-kuei -- and he originally created the dish in a different form.
A modern system, having gained ground since the early 1990s, uses a personal computer and special software in place of much of the custom equipment. The sound card of a PC, with special processing software, acts as a modem. The computer screen provides the output. A small digital camera or digital photos provide the input.
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