Search RFCafe.com                           
      More Than 17,000 Unique Pages
Please support me by ADVERTISING!
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™ Please Support My Advertisers!
   Formulas & Data
Electronics | RF
Mathematics
Mechanics | Physics
     AI-Generated
     Technical Data
Pioneers | Society
Companies | Parts
Principles | Assns


 About | Sitemap
Homepage Archive
        Resources
Articles, Forums Calculators, Radar
Magazines, Museum
Radio Service Data
Software, Videos
     Entertainment
Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes
   Parts & Services
1000s of Listings
 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

Software: RF Cascade Workbook
RF Stencils Visio | RF Symbols Visio
RF Symbols Office | Cafe Press
Espresso Engineering Workbook

Aegis Power  |  Alliance Test
Centric RF  |  Empower RF
ISOTEC  |  Reactel  |  RFCT
San Fran Circuits

Anritsu Test Equipment - RF Cafe

Noisecom

Rigol DHO1000 Oscilloscope - 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

Espresso Engineering Workbook

Day in Engineering History Archive - July 5

Day in Engineering History July 5 Archive - RF CafeJuly 5

Happy Birthday William John Macquorn Rankine! - Please click here to visit RF Cafe1795: Antonio de Ulloa, who discovered the element Platinum (Pt), died. 1820: Scottish physicist William Rankine, an early investigator of thermodynamics who developed the Rankine Cycle, was born. 1892: Andrew Beard was issued a patent for the rotary engine. 1911: George Stoney, who introduced the term "electron" as the fundamental unit of electric charge, died. 1944: Harry Crosby took the first rocket airplane (the Northrop MX-324) for its maiden flight at Harper Dry Lake, CA. 1946: Bikini swimwear, named after the Bikini atoll A-bomb test, was first displayed in Paris. 1951: Dr. William Shockley announced that he had invented the junction transistor. 1952: The last London tram, No. 1951, ceased operation. 1966: A Saturn 1-B rocket was launched at Cape Kennedy, FL, to become the first unmanned Apollo test flight, and made 4 orbits at an altitude of about 113 miles. 1986: Statue of Liberty reopened after being refurbished. 1991: France performed nuclear warhead test at Muruora Island.

| 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.

Espresso Engineering Workbook
Amplifier Solutions Corporation (ASC) - RF Cafe

Copper Mountain Technologies (VNA) - RF Cafe

Innovative Power Products Cool Chip Thermal Dissipation - RF Cafe