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2. RF modulator - Wikipedia

   en.wikipedia.org/wiki/RF_modulator

   An RF modulator (radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such as a radio or television receiver. Its input is a baseband signal, which is used to modulate a radio ...

3. Vintage amateur radio - Wikipedia

   en.wikipedia.org/wiki/Vintage_amateur_radio

   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. Popular modes of operation include speaking over amplitude modulation (AM), and communicating using Morse code through continuous wave ...

4. M17 (amateur radio) - Wikipedia

   en.wikipedia.org/wiki/M17_(amateur_radio)

   RF spectrum of the M17 protocol. M17is a digitalradio modulation modedeveloped by Wojciech Kaczmarski (amateur radio call signSP5WWP) et al.[1][2][3][4][5][6]M17 is primarily designed for voice communications on the VHFamateur radiobands, and above. The project received a grant from the Amateur Radio Digital Communications in 2021[7]and 2022.[8 ...

5. RadioShack - Wikipedia

   en.wikipedia.org/wiki/RadioShack

   radioshack.com. RadioShack (formerly written as Radio Shack) is an American electronics retailer which was established in 1921 as an amateur radio mail-order business. Its parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components.

6. List of amateur radio modes - Wikipedia

   en.wikipedia.org/wiki/List_of_amateur_radio_modes

   Amateur teleprinting over radio (AMTOR) D-STAR (Digital Data) a high speed (128 kbit/s), data-only mode. Hellschreiber, also referred to as either Feld-Hell, or Hell a facsimile-based teleprinter. Discrete multi-tone modulation modes such as Multi Tone 63 (MT63) Multiple frequency-shift keying (MFSK) modes such as. FSK441, JT6M, JT65, and FT8.

7. Realistic DX-302 - Wikipedia

   en.wikipedia.org/wiki/Realistic_DX-302

   Realistic DX-302. The Realistic DX-302 is a general coverage (long-wave, medium-wave, and short-wave) radio manufactured by General Research of Electronics (GRE) of Chiba, Japan and marketed in the United States by Radio Shack (Tandy Corporation) from 1980 through 1982. The radio's theory of operation is based on the principle of the Wadley ...