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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 typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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

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Day in Engineering History Archive - September 5

Day in Engineering History September 5 Archive - RF CafeSeptember 5

Please click here to visit RF Cafe.1879: Frank Jewett, the first president of Bell Telephone Labs, was born. 1885: The first gasoline pump was delivered to a gasoline dealer in Ft Wayne, IN. 1906: Ludwig Boltzmann, after whom the Boltzmann constant (1.3806505 × 10-23 J/K) was named, died. 1914: Babe Ruth hit his first home run as a professional player in the International League. 1948: Richard Tolman, who demonstrated electrons to be charge-carrying particles in flow of electricity in metals, died. 1953: The first privately operated atomic reactor opened at the NC State School of Engineering in Raleigh, NC. 1972: Muslim guerrillas attacked the Israeli delegation at Munich Olympic games, killing 11 members of the Israeli Olympic team. 1977: The "Voyager 1" spacecraft was launched two weeks after launching its twin, "Voyager 2." 1984: The space shuttle Discovery landed after its maiden voyage. 1995: France conducted an underground nuclear test at the Mururoa Atoll. 1997: Mother Teresa died in Calcutta. 1017: Nicolaas Bloembergen, Nobel Prize winner for laser-spectroscopy, died.

| 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.

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