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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648 B.C.: Earliest total solar eclipse recorded by Greeks was observed. 1889: The Kodak Camera was offered for sale by George Eastman. 1890: German aircraft designer Anthony Fokker, creator of the Red Baron's famous DR-1 triplane, was born. 1892: Donald Wills Douglas, of aircraft design fame, was born. 1912: An electric starter first appeared in cars to replace the hand crank. 1914: Hiram Maxim, with $50 in backing by the Radio Club of Hartford, proposed the formation of the American Radio Relay League (ARRL). 1917: America formally entered World War I. 1927: William P. MacCracken, Jr. earned license number ‘1’ when the Department of Commerce issued the first pilots license.1938: DuPont researchers accidentally discovered polytetrafluoroethylene (PTFE) and was marketed as Teflon. 1954: The TV Dinner was first sold by Swanson & Sons. 1965: The first U.S. commercial geosynchronous communications satellite, "Early Bird" Intelsat 1, was launched. 1973: Pioneer 11 was launched to Jupiter and Saturn. 1992: Prolific science fact and fiction writer Isaac Asimov died. 1998: The Dow Jones Industrial Average (DJIA) closed above 9,000 for the first time.