RF Cafe Software
About RF Cafe
1996 - 2022
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
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1845: Michael Faraday discovered that an electromagnetic field effects light polarization - the Faraday Effect. 1851: Walter Reed, after whom the Walter Reed Hospital is named, was born. 1857: Milton Snavely Hershey of chocolate fame was born. 1898: Hannibal Goodwin patented celluloid photographic film, which is used to make movies. 1899: Henry Bliss became the first automobile accident fatality after stepping off a trolley in New York City. 1915: Antennalyzer inventor Wendell C. Morrison was born. 1922: 136.4 °F (58 °C), the world's highest shade temperature was recorded 25 miles south of Tripoli, Libya. 1937: Polaroid Corporation was founded. 1945: Cunningham and Werner first isolated a microscopic amount of americium (Am, 95). 1956: IBM introduced the 350 RAMAC hard disk drive (HDD). 1961: An unmanned Mercury (MA-4) capsule was orbited and recovered by NASA in a test for thefirst manned flight. 1970: The Concorde SST landed for first time at Heathrow airport. 1977: The first diesel automobiles introduced by General Motors. 1985: The first anti-satellite intercept test took place when a weapon launched from an F–15 destroyed a satellite orbiting at a speed of 17,500 miles per hour approximately 290 miles above Earth. 2001: Airports closed after the terrorist attacks on 9-11 began reopening.