Electronics World articles Popular Electronics articles QST articles Radio & TV News articles Radio-Craft articles Radio-Electronics articles Short Wave Craft articles Wireless World articles Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors LinkedIn Crosswords Engineering Humor Kirt's Cogitations RF Engineering Quizzes Notable Quotes Calculators Education Engineering Magazine Articles Engineering software RF Cafe Archives Magazine Sponsor RF Cafe Sponsor Links Saturday Evening Post NEETS EW Radar Handbook Microwave Museum About RF Cafe Aegis Power Systems Alliance Test Equipment Centric RF Empower RF ISOTEC Reactel RF Connector Technology San Francisco Circuits Anritsu Amplifier Solutions Anatech Electronics Axiom Test Equipment Conduct RF Copper Mountain Technologies Exodus Advanced Communications Innovative Power Products KR Filters LadyBug Technologies Rigol TotalTemp Technologies Werbel Microwave Windfreak Technologies Wireless Telecom Group Withwave RF Cafe Software Resources Vintage Magazines RF Cafe Software WhoIs entry for RF Cafe.com Thank you for visiting RF Cafe!
Anatech Electronics RF Microwave Filters - RF Cafe

everythingRF RF & Microwave Parts Database (h1)

TotalTemp Technologies (Thermal Platforms) - RF Cafe

Please Support RF Cafe by purchasing my  ridiculously low−priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

Windfreak Technologies SynthHD PRO - RF Cafe

Day in Engineering History Archive - December 2

Day in Engineering History December 2 Archive - RF Cafe1st Sustained Fission Reaction - RF CafeDecember 2

1594: Flemish cartographer Gerardus Mercator, developer of the map projection that bears his name, died. 1877: Louis-Paul Cailletet became the first to liquefy oxygen. 1881: German physicist Heinrich Barkhausen, who discovered the effect named after him regarding changes in the magnetic properties of metal, was born. 1895: James Dewar exhibited his new apparatus for the production of liquefied air. 1906: Peter Goldmark, who developed the first color commercial television system as well as the 33-1/3 LP phonograph record, was born. 1927: The first Model A Fords sold for $385. 1941: Admiral Yamamoto ordered his fleet to Pearl Harbor. 1942: A self-sustaining nuclear chain reaction was demonstrated by Dr. Enrico Fermi and his staff at the University of Chicago. 1952: The first human birth was televised to public on KOA-TV. 1965: American physicist Hugh Dryden, who headed NACA (now NASA) for seven years and after whom the Dryden Flight Research Center is named, died. 1983: Over 40 tons of highly poisonous methyl isocyanate gas leaked out of the Union Carbide pesticide factory in Bhopal, India, killing thousands of souls. 1990: The first parliamentary election was held in newly reunified Germany. 2001: Enron filed for Chapter 11 bankruptcy.

| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |

Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified. Many years ago, I began commemorating the birthdays of notable people and events with special RF Cafe logos. Where available, I like to use images from postage stamps from the country where the person or event occurred. Images used in the logos are often from open source websites like Wikipedia, and are specifically credited with a hyperlink back to the source where possible. Fair Use laws permit small samples of copyrighted content.

Crane Aerospace Electronics Microwave Solutions: Space Qualified Passive Products

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    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 World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com

My Daughter's Website: EquineKingdom

LadyBug RF Power Sensors

RF Cascade Workbook 2018 by RF Cafe

KR Electronics (RF Filters) - RF Cafe