RF Cafe Software

RF Cascade Workbook 2005 - RF Cafe
RF Cascade Workbook

Calculator Workbook
RF Workbench
Smith Chartâ„¢ for Visio
Smith Chartâ„¢ for Excel
RF & EE Symbols Word
RF Stencils for Visio

About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
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 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.

My Hobby Website:
 AirplanesAndRockets.com

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Day in Engineering History Archive February 26

February 26

Sir Robert Watson-Watt Introduced RADAR - Please click here to visit RF Cafe. 1935 Radar Memorial in Weeden Beck - RF Cafe1829: Blue jeans inventor Levi Strauss was born. 1866: American industrialist Herbert Dow, founder of Dow Chemical Company, was born. 1852: American physician John Kellogg, who invented the corn flake and founded a company bearing his name, was born. 1896: Henri Becquerel unintentionally discovered radioactivity from uranium caused by the element having sat upon a photographic plate in his desk drawer. 1903: Richard Gatling, inventor of the Gatling machine gun, died. 1933: A ground-breaking ceremony was held at Crissy Field for the Golden Gate Bridge. 1935: Radar (RAdio Detection And Ranging) was first demonstrated by Sir Robert Watson-Watt of England. 1966: The first Saturn 1B rocket was launched from Cape Canaveral, FL, on an unmanned suborbital test flight. 1970: National Public Radio (NPR) was founded. 1991: Iraqi troops fled Kuwait City. 1993: Muslim terrorists exploded a bomb in the parking garage of the World Trade Center, killing six people and injuring more than 1,000 others.

| 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.
Please submit significant historical events and dates for inclusion in these lists. I will be glad to include your name and birthday. Please do not submit your death date ;-) A couple 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.