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Vintage equipment in the Queen Mary radio room. Some hobbyists see vintage radio operation as a valuable asset to help preserve the history and heritage of radio for future generations. [3] They sometimes assist in the restoration and operation of vintage radio equipment for historical exhibits, museums, and historic ships or aircraft. [6]
Heil Sound Communications, Inc is an American manufacturer of professional audio equipment based in Fairview Heights, Illinois.The company was founded by Bob Heil in 1966, and is well known for inventions in live sound, the Heil Talk Box and a variety of high-quality microphones and headsets for use in commercial and amateur radio.
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 .
Kenwood manufactures audio equipment such as AM/FM stereo receivers, cassette tape decks/recorders, amateur radio (ham radio) equipment, radios, cellular phones, speakers and other consumer electronics. TRIO TS-520S, HF transceiver, manufactured in the 1970s and 1980s by the Trio-Kenwood Corporation
In the late 1950s, National asked the readers of QST what they wanted in a new ham radio receiver, with the result being the National NC-300 (and its successor, the NC-303). It featured a rare 30–35 MHz input for converters for 50, 144 and 220 MHz use (220 MHz equipment was very rare at the time).
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
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The HT-4 was designed for amateur radio use and had been commercially available for several years at a price of approximately $700, rivaling the cost of a car. It was considered compact and stable for its era and could deliver in excess of 300 watts of power for voice or MCW communications and 400 watts during Morse code operation.