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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1616: English mathematician John Wallis, who introduced the infinity symbol (∞), was born. 1826: German astronomer Johann Bode, who developed Bode's Law, died. 1837: Nobel Prize winner Johannes van der Waals, of molecular electrostatic forces fame, was born . 1874: A paper by Ferdinand Braun was published in the Annalen der Physik und Chemie describing his discovery of the electrical rectifier effect. 1889: The first jukebox made its debut in San Francisco, at the Palais Royale Saloon. 1897: A patent was issued for a pencil sharpener to John Love of Fall River, MA. 1910: Aviation pioneer Octave Chanute died. 1948:The first patent for a lens to provide zoom effects was issued to F.G. Back as a "varifocal lens for cameras." 1963: Lyndon Johnson took over as president of the U.S. following the assassination of JFK. 1971: The People's Republic of China was seated in the UN Security Council.