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Windfreak Technologies SynthHD PRO - RF Cafe

December 1939 Radio News
Table of Contents

December 1939 Radio News

December 1939 Radio News Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio & Television News, published 1919-1959. All copyrights hereby acknowledged.

December 1939

Vol. 22, No. 6

 

Photographic History of Radiotelephony, by Chas. R. Leutz 10
Radio Term Illustrated - "Cross" Modulation 36
Air Adventures Magazine 62
Superior Instruments Inside Back Cover

December 1939 Radio News Table of Contents - RF Cafe

 

 

Posted February 1, 2021
Windfreak Technologies SynthHD PRO - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2025
Webmaster: Kirt Blattenberger,
   BSEE - KB3UON - AMA92498

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

Copyright  1996 - 2026

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

My Daughter's Website: EquineKingdom