Search results
Results from the WOW.Com Content Network
The radio's theory of operation is based on the principle of the Wadley Loop and was one of the first radios marketed by Tandy Corporation to have a digital frequency display. The DX-300 was succeeded by the improved DX-302 in 1980. Picture of the front of a Realistic DX 300 HF receiver in operation
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.
RadioShack (formerly written as Radio Shack) is an American electronics retailer, which was established in 1921 as an amateur radio mail-order business. Its original parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components. At its peak in 1999 ...
In 1972, Mims wrote two hobbyist project books for Radio Shack. [37] [38] His books could be understood by hobbyists and were illustrated with hand-drawn schematic diagrams and, eventually, hand-lettered text. This style proved popular, and Radio Shack commissioned 36 books between 1972 and 2003. [39] His “Understanding Digital Computers ...
The Realistic DX-60 is a multiband radio. The radio receives 3 MHz to 27 MHz AM shortwave in three bands, 26.965 MHz through 27.405 MHz HF CB in one band, 540 kHz to 1620 kHz standard AM broadcast in one band, and 87 MHz to 108 MHz monaural standard broadcast FM. The DX-60 existed in two versions, model 12-764 and a nearly identical but ...
An amateur radio satellite is an artificial satellite built and used by amateur radio operators. It forms part of the Amateur-satellite service. [ 1 ] These satellites use amateur radio frequency allocations to facilitate communication between amateur radio stations.
Digital antenna array (receiver segment) Digital antenna array (transmitter part) Digital antenna array (DAA) is a smart antenna with multi channels digital beamforming, usually by using fast Fourier transform (FFT). The development and practical realization of digital antenna arrays theory started in 1962 under the guidance of Vladimir Varyukhin .
A 1939 company catalog bore the names Radio Wire Television Co. Inc. and "Lafayette Radio Corporation". In 1948, the company issued a catalog under the name “Lafayette-Concord” and called itself the “world’s largest radio supply organization”. In 1952, a catalog was issued using only the Lafayette name. [1]