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Homebrew is an amateur radio slang term for home-built, noncommercial radio equipment. [1] Design and construction of equipment from first principles is valued by amateur radio hobbyists, known as "hams", for educational value, and to allow experimentation and development of techniques or levels of performance not readily available as commercial products.
Amateur television (ATV) repeaters are used by amateur radio operators to transmit full motion video. The bands used by ATV repeaters vary by country, but in the US a typical configuration is as a cross-band system with an input on the 33 or 23 cm band and output on 421.25 MHz or, sometimes, 426.25 MHz (within the 70 cm band ).
ICOM IC-91AD handheld transceiver with the D-STAR UT-121 digital voice board installed. D-STAR (Digital Smart Technologies for Amateur Radio) is a digital voice and data protocol specification for amateur radio.
A Stellantis joint venture with Samsung SDI has won a commitment from the U.S. government for up to a $7.54 billion loan to help build two electric vehicle battery plants in Kokomo, Indiana. The ...
A microwave cavity or radio frequency cavity (RF cavity) is a special type of resonator, consisting of a closed (or largely closed) metal structure that confines electromagnetic fields in the microwave or RF region of the spectrum. The structure is either hollow or filled with dielectric material. The microwaves bounce back and forth between ...
From March 2008 to December 2012, if you bought shares in companies when Kenneth W. Oder joined the board, and sold them when he left, you would have a -37.2 percent return on your investment, compared to a 9.3 percent return from the S&P 500.
From January 2008 to December 2012, if you bought shares in companies when Hans-Joachim Koerber joined the board, and sold them when he left, you would have a 1.4 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Watch the video to see a man’s struggle to hold back the tears after a Thanksgiving Day surprise Humankind is your go-to spot for good news! Click here to submit your uplifting, cute, or ...