Search RFC: |                                     
Please support my efforts by advertising!
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™
Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post
Please Support My Advertisers!

Aegis Power | Centric RF | RFCT
Alliance Test | Empower RF
Isotec | Reactel | SF Circuits

Formulas & Data

Electronics | RF
Mathematics
Mechanics | Physics

About | Sitemap
Homepage Archive

Resources

Articles, Forums, Radar
Magazines, Museum
Radio Service Data
Software, Videos

Artificial Intelligence

Entertainment

Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes

Parts & Services

1000s of Listings
Please support RF Cafe's GoFundMe campaign! Software: RF Cascade Workbook | Espresso Engineering Workbook
RF Stencils for Visio | RF Symbols for Visio | RF Symbols for Office | Cafe Press


PCB Directory (Manufacturers)

Innovative Power Products (IPP) Directional Couplers

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel
Innovative Power Products (IPP) Baluns & Transformers

April 1947 Radio-Craft
Table of Contents

April 1947 Radio-Craft

April 1947 Radio Craft Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio-Craft, published 1929 - 1953. All copyrights are hereby acknowledged.

April 1947

Vol. XVIII, No. 7

 

Superadio: Recent Discover May Herald a New Radio Era, by Hugo Gernsback 17
Antenna Principles Part V - Directional Arrays for 300 Megacycles and Higher, by Jordan McQuay 20
Lamp Bulb Resistors, by John B. Parchman 23
Crystron Lapel Radio, by Mohammed Ulysses Fips, I.R.E., A.I.E.E. 24
Radio Data Sheet 345 Admiral Model 6RT44-7B1 40
Electronics-Themed Comics 79

 

April 1947 Radio Craft Table of Contents - RF Cafe
Innovative Power Products (IPP) Baluns & Transformers

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