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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1879: The first U.S. patent was issued for an automatic telephone switching system. 1886: Clarence Birdseye, inventor of deep freezing food and inventor of the TV dinner, was born. 1906: Navy Rear Admiral Grace Murray Hopper, credited with coining the term "bug" in computers, was born. 1914: The Edison Phonograph Works was destroyed by fire. 1921: American electrical engineer Charles Kettering first tested tetraethyl lead as an anti-knock additive to gasoline fuel. 1968: The first demonstration of the use of a computer mouse was given by its inventor, Doug Engelbart. 1993: At Princeton University in New Jersey, scientist produced a controlled fusion reaction equivalent to 3 MW. 1993: Shuttle astronauts inserted a corrective lens in the Hubble Space Telescope to fix its optical flaw.