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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.

My Hobby Website:

AirplanesAndRockets.com

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December 1931 QST
Table of Contents

December 1931 QST

Table of Contents

Wax nostalgic about and learn from the history of early electronics. See articles from QST, published December 1915 - present (visit ARRL for info). All copyrights hereby acknowledged.

Visit the ARRL website today for a complete digital archive of QST and their other publications.

December 1931

Vol. XV, Number 12

De Forest Radio Company Advertisement	1
Leeds Advertisement - "The Home of RADIO"	6
Editorial - Origin of Ham, by Kenneth B. Warner	9
An Old Spark Soliloquizes, by Earnest Sinclair Hook, W3IY	24
Improving the Receiver Using a Screen-Grid Coupling Stage, by Howard R. Cassler	29
In the Field with IPH, by Bertram Sandham	33
Experimenter's Section - A Winding Machine for Spaced-Turn Chokes, by W. H. Heathcote	37
Amateur Radio Stations - VE2CP, by John Stadler, VE2AP	39
Allen-Bradley Resistors Advertisement	59

Posted September 9, 2012

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December 1931 QSTTable of Contents

December 1931 QST
Table of Contents