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Day in Engineering History Archive - August 2

| 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.

August 2

Happy Birthday Elisha Gray! - Please click here to visit RF Cafe.

1776: Friedrich Strohmeyer, discoverer of cadmium, was born. 1835: Elisha Gray, who missed being labeled as the inventor of the telephone by mere hours when Alexander Graham Bell beat him to the patent office, was born. 1880: Greenwich Mean Time (GMT) was adopted officially by the British Parliament. 1865: The Trans Atlantic Cable being laid by SS Great Eastern snapped and was lost. 1909: The Army Air Corps formed as Army took their first delivery from Wright Brothers. 1922: Alexander Graham Bell, inventor of the telephone, died. 1927: Harold Black invented the negative feedback amplifier. 1936: Airplane designer Louis Blériot, died. 1939: Albert Einstein signed a letter to President Franklin Roosevelt urging creation of an atomic weapons research program. 1964: The Pentagon reported the first of two attacks on U.S. destroyers by North Vietnamese torpedo boats in the Gulf of Tonkin. 1984: The Peanuts comic strip was picked up by the Daily Times in Portsmouth, OH, making it the first comic strip to appear in 2,000 newspapers. 1990: Saddam Hussein invaded Kuwait and set the stage for Operation Desert Storm.


RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

Smith Chart™ for Excel
Smith Chart™ for Visio
RF & EE Symbols Word
RF Stencils for Visio

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