RF Cafe Software
About RF Cafe
1996 - 2016
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.
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January 1939 Radio-Craft[Table of Contents]
People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Radio-Craft was published from 1929 through 1953. All copyrights are hereby acknowledged. See all articles from Radio-Craft.
Vol. X, No. 7
|RCA Radio Tubes Advertisement||382|
|Marconi - Father of Radio?, by Edward H. Loftin||392|
|New Radio Altimeter Increases Air Safety, by R. D. Washburne||394|
|The Skin Effect Talking Lightbeam, by Gerald Mosteller||411|
|Clarion No. TC-31 5-Tube A.C.-D.C. Superhet. Radio Service Data Sheet||550|
|ERLA Model 4500 Dual-Wave T.R.F. 4-Tube A.C. Receiver Radio Service Data Sheet||550|
|Stewart-Warner (R-127 Chassis) Models 1271 to 1279 All-Wave Supers Radio Service Data Sheet||551|
Colonial Model 652 5-Tube Broadcast Short-Wave
Radio Service Data Sheet
Posted August 12, 2015