RF Cafe Software

RF Cascade Workbook 2005 - RF Cafe
RF Cascade Workbook

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RF & EE Symbols Word
RF Stencils for Visio

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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Electro-Voice Microphones Advertisement
February 1943 QST Article

February 1943 QST

RF Cafe - February 1943 QST  CoverTable of Contents

These articles are scanned and OCRed from old editions of the ARRL's QST magazine. Here is a list of the QST articles I have already posted. All copyrights are hereby acknowledged.

Here is an advertisement for Electro-Voice Manufacturing Company microphones that I scanned from page 101 of my copy of the February 1943 QST magazine. As with many companies during the World War II era, this one's theme is the service their products are providing to America's servicemen. Per the ad, "If you were receiving radio messages from men in the midst of ear­splitting battle noises, you'd hear crisp speech undistorted by background sound effects. Electro-Voice Microphones, in military service, are helping to make it possible. Similar microphones, designed to achieve such results, will be available for specific commercial applications ••• after our wartime job is done."
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Electro-Voice Microphones Advertisement - RF Cafe

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Posted  12/26/2012