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KR Electronics (RF Filters) - RF Cafe

October 1949 Popular Science
Table of Contents

October 1949 Popular Science

October 1949 Popular Science Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Popular Science, published 1872-2021. All copyrights hereby acknowledged.

October 1949

Vol. 155, No. 4

 

Rare Earth Metals, Once Forgotten, Now in Production, by Alden P. Armagnac 140
Photos of Secret A-Bomb Test 146
Antennas Go into Hiding 169

Popular Science October 1949 Table of Contents - RF Cafe

Popular Science October 1949 Table of Contents (p2) - RF Cafe

 

 

Posted April 16, 2024
KR Electronics (RF Filters) - 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.

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