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WD-11. The WD-11 vacuum tube, a triode, was introduced by the Westinghouse Electric corporation in 1922 for their Aeriola RF model radio and found use in other contemporary regenerative receivers (used as a detector-amplifier) including the Regenoflex and Radiola series. The WD11 and "RCA-11" [1] (and later simply named "11" by RCA [2] and ...
DeWalt returned to NASCAR sponsorship in 2011, but on the #9 Richard Petty Motorsports Ford Fusion driven by Marcos Ambrose. This sponsorship ended after 2014, when Ambrose departed the Sprint Cup Series, with DeWalt choosing to re-unite with Kenseth, who now drove the #20 for Joe Gibbs Racing , sponsoring six races in 2015, ten races in 2016 ...
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
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List of software-defined radios. This article provides a list of commercially available software-defined radio receivers . Embedded or True IQ data via 1 x USB 3.1 GEN 1. Internet remote via HTTP / JSON. Embedded or True IQ data via 1 x or 2 x USB 3.0. Optional 1 x USB 3.1 GEN2 (power only). Internet remote via HTTP / JSON.
AN/PRC-117. The AN/PRC-117 translates to "Army/Navy, Portable, Radio, Communication". It is a man-portable, tactical software-defined combat-net radio, manufactured by Harris Corporation, in two different versions: AN/PRC-117G Falcon III MNMR[ 3] (Multiband Networking Manpack Radio), also referred to as AN/PRC-117G-MP, covering the 30-2000 MHz ...
Wave Radio. Wave Radio/CD. The "Wave Radio" (which has since become known as "Wave Radio I") was an AM/FM clock radio that was introduced in 1993. It was smaller than the Acoustic Wave Music System and used two 2.5-inch speakers. [ 3] A "Wave Radio/CD" model was introduced in 1998 and was essentially a Wave Radio I with a CD player.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz ). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. To prevent interference between different users, the generation and transmission of radio ...