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RF Cascade Workbook 2005 - RF Cafe
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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 - August 14

August 14

The Code Talkers. Click here to return to the RF Cafe homepage.

Today is National Code Talker's Day. Tonight is the peak of the Perseid meteors. 1777: Hans Christian Øersted, who discovered electromagnetism and after whom the unit of magnetic field (H) is named, was born. 1888: A patent for the electric meter was granted to Oliver Shallenberger. 1896: Gold was discovered in Canada's Yukon Territory, and within the next year more than 30,000 people rushed to the area to prospect for gold. 1919: A U.S. flying boat carried the first international air mail delivery to Canada via the sea. 1932: Royal Philips made its 1 millionth radio. 1935: The Social Security Act was signed into law. 1945: President Truman announced that Japan had accepted terms for unconditional surrender, ending World War II. 1953: The whiffle ball, a ball that curved when it was thrown, was invented by David Mullany for his 13-year-old son. 1959: The first meeting to organize the American Football League was held. 1988: Car manufacturer and racing star Enzo Ferrari died. 1994: Hubble Space Telescope photographs revealed that Uranus had Saturn-like rings. 1997: Cosmonauts Vasily Tsibliyev and Alexander Lazutkin returned safely home  after a disastrous six-month mission aboard the Mir space station. 2000: A Russian submarine with 120 crewmen was reported stranded at the bottom of the Barents Sea.

| 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.