RF Cafe Software
About RF Cafe
1996 - 2016
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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1772: The "Act to Regulate the Practice of Physick & Surgery within the colony of New Jersey," the first doctor licensing commission in the U.S., was put into effect. 1798: George Washington appointed Samuel Osgood of Massachusetts as the first Postmaster General under the Constitution. 1818: Dr. James Blundell preformed the first transfusion using human blood, as opposed to animal blood. 1868: August Möbius, the mathematician who invented the famous single-sided strip that bears his name, died. 1871: A patent was issued to David Saylor for the composition of Portland cement. 1887: Sir Barnes Wallis, inventor of the WWII, 9 kilopound "dambuster" bombs, was born. 1902: Blue jean inventor Levi Strauss died. 1914: The Federal Trade Commission (FTC) was established. 1981: The Boeing 767-200 made its maiden flight in Everett, WA. 1982: Paul Kollsman, inventor of the first accurate barometric altimeter, died. 1984: U.K. and China agreed to Hong Kong handover. 1991: Four men and four women began a 2-year stay inside Biosphere Two, in Oracle, AZ. 1996: Astronaut Shannon Lucid returned to Earth in the shuttle Atlantis after 6 months aboard the Russian Mir space station. 2002: Nils Bohlin, inventor of the 3-point should and lap safety belt, died.