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RadioShack (formerly written as Radio Shack) is an American electronics retailer that 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 sold in retail stores.
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 company has announced that will offer coupons of $10 back. RadioShack Inc. (NYSE: RSH) is going after the Holiday gimmick just like it is any other company. The problem is that, on the surface ...
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
A coupon-eligible converter box (CECB) was a digital television adapter that met eligibility specifications for subsidy "coupons" from the United States government.The subsidy program was enacted to provide terrestrial television viewers with an affordable way to continue receiving free digital terrestrial television services after the nation's television service transitioned to digital ...
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 .
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A typical radio used as a handheld station integrates a transceiver with an antenna and a battery in one handheld package. Most handheld transceivers used in amateur radio are designed for operation on the VHF or UHF amateur radio bands and most often are capable of only FM voice communications transmissions. To conserve battery power, they ...