Marked: "Radio Receiver / Type 998 SE / Serial No. 39N / [lambda] 50-600 meters / Made for Bureau of Steam / Engineering by National Electric / Supply Co., Washington DC. / Req. No. 553SE Cont. No.
This article is intended to introduce the beginner to the interesting and challenging art of high frequency radio design. It is also intended to entice the seasoned professional to take a deeper look ...
Marked: "Grebe Radio / Richmond Hill, N.Y. / Type CR-8 / 150 to 1000 M. / Serial No. 868." Plate: "Licensed Under Armstrong Patent No. 1113149 Oct. 6, 1914 / For Amateur or Experimental Use Only. / ...
Researchers have used the latest wireless technology to develop a new radio receiver for astronomy. The receiver is capable of capturing radio waves at frequencies over a range several times wider ...
Radiosophy, LLC, announced a new HD Radio receiver scheduled to begin shipping in May 2007. The HD100 is a fully-featured entry-level HD Radio which will retail for $119.95. For a limited time only, ...
OneRadio Corp. has been working on its dragnet for radio transmissions for two years in stealth mode, but the spinout from the University of Washington’s CoMotion innovation program is finally ready ...
Digital receivers have revolutionized electronic systems for a variety of applications including communications, data acquisition, and signal processing. This series shows how digital receivers, the ...
Back before cell phones … before video games … before television … even before electric radios, there were crystal radio receivers. In the early 1920s and 1930s, magazines offered instructions on how ...
[Ben Krasnow’s] latest project will be good for anyone who wants a complicated way to cheat on a test. He’s managed to squeeze a tiny FM radio receiver into a ballpoint pen. He also built his own bone ...
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