Search RFC: |                                     
Please support my efforts by ADVERTISING!
About | Sitemap | Homepage Archive
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™
Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post
Alliance Test | Isotec
Please Support My Advertisers!
RF Cafe Sponsors
Aegis Power | Centric RF | RFCT
Empwr RF | Reactel | SF Circuits

Formulas & Data

Electronics | RF
Mathematics
Mechanics | Physics


Calvin & Phineas

kmblatt83@aol.com

Resources

Articles, Forums, Radar
Magazines, Museum
Radio Service Data
Software, Videos


Artificial Intelligence

Entertainment

Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes

Parts & Services

1000s of Listings

        Software:

Please Donate
RF Cascade Workbook | RF Symbols for Office
RF Symbols for Visio | RF Stencils for Visio
Espresso Engineering Workbook
Werbel Microwave power dividers, couplers - RF Cafe

Day in Engineering History Archive - May 7

Day in Engineering History May 7 Archive - RF CafeMay 7

1847: The American Medical Association (AMA) was established. 1855: Oskar von Miller, who pioneered the electric power industry in Germany, was born. 1909: Edwin Land, inventor of the Polaroid Land Camera, was born. 1942: In the Battle of the Coral Sea, Japanese and American navies attacked each other with carrier planes - it was the first time in the history of naval warfare where two enemy fleets fought without seeing each other. 1945: Germany signed unconditional surrender ending World War II (it would take effect the next day). 1952: The concept of the integrated circuit chip was first published by Geoffrey Dummer. 1963: The U.S. launched the Telstar II communications satellite, which on its tenth orbit transmitted the first transatlantic TV program seen in color. 1992: The Endeavour space shuttle blasted off on its maiden voyage.

| 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.

Werbel Microwave power dividers, couplers - RF Cafe
dB Control dB-9006 Magnum Opus Synthesizer - RF Cafe

Exodus Advanced Communications Best in Class RF Amplifier SSPAs