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 ...
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sighted four of Jupiter's moons (Io, Europa, Ganymede, and Callisto). 1785: Jean Blanchard and John Jeffries made
first air crossing of the English Channel from England to France in a
hot-air balloon (first international flight). 1904: Marconi established "CQD" (-·-· --·- -··,
CQ=be quite and listen, D=distress) as the first
international radio distress signal, but two years later, "SOS" (··· --- ···, Save Our
Souls) became the radio distress signal because it was faster to send by wireless radio. 1927: Commercial
transatlantic telephone service was inaugurated between New York and London. 1935:
Sir Alfred Ewing, the physicist who
discovered and named hysteresis, died. 1943: Serbian-American high voltage experimenter
Nikola Tesla died. 1980: The first solar-cell power plant was dedicated at Natural Bridges National Monument, UT (266,029 solar
cells in 12 producing 100 kW). 1998:
Richard Hamming, of error correction
code fame, died. 2004: American electrical engineer
Oswald "Mike" Villard Jr., who
developed over-the-horizon radar, died.