Short Wave Radio
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ItADIO NEWS U. S. AND CANADA AND SHORT WAVE RADIO SHORT WAV E TIME Car TABLE Radio THE RADI A Publication Devoted to Progress in Radio Service Work Amateur Activity Short Waves Experiments Set Building Television DX Reception Electronics Applications Broadcastin www.americanradiohistory.comEn ineerin q sr EXPRESSLY DESIGNED FOR Z/h1-31IMD iLs')L1Liti'D`28AlhAC= METAL CASE CROSS BAR CENTER POST VOICE COIL YOKE A perfect magnetic path and per- A new G -E process projection Projection welding also prevents - manent alignment give crystal -clear welding results in a permanent misalignment of center post -a - and stabilized performance. and perfect magnetic path. source of many speaker noises. tone MODEL A-82 The Stabilized Dynamic Speaker is but one of five major features bands 140 -410 8 metal tubes, four reception of Gen- k.c. and 540 -19,500 k.c. which contribute to stability in the life and performance eral Electric receivers. $94.60(Eastern List Price) ADDITIONAL FEATURES ARE: Metal Tubes -Strong and clear in signal. Supremely quiet - especially on short -wave broadcasts. Sentry Box - Controls as many as five separate broadcast bands - permitting only one radio wave to pass. Permaliners - Maintain the original factory adjustment of the set. Sealed against moisture and dirt. Sliding -rule Tuning Scale-Shows only one tuning scale at a time -lists all stations in a straight line. As easy to read as a ruler. GENERAL ELECTRIC The Original Metal -tube Radio CONN. APPLIANCE AND MERCHANDISE DEPARTMENT, GENERAL ELECTRIC COMPANY, BRIDGEPORT. www.americanradiohistory.com RADIO NEWS FOR MARCH, 1936 513 I WILL HELP YOU START A SPARE TIME OR FULL TIME RADIO SERVICE BUSINESS J. E. South, President National Radio Institute WITHOUT CAPITAL Free Book Tells How dollars is being spent on two stations. Re- ceiving sets are being designed and built. Mail Coupon! New opportunities -many of them-are right ahead. 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A Sample Lesson and your free book about spare time special section is devoted to receiver check -up, and full time Radio opportunities, and how I can alignment, balancing, neutralizing and test- train for them at home in spare time. (Please print ing. Get this lesson Free. No obligation. plainly.) Just nail coupon. MAIL COUPON NOW Name Age Address '7ü doutaáouff& World Famous Course that Pays For Itself City State 14x1 www.americanradiohistory.com Edited by LAURENCE MARSHAM COCK.ADAY S. GORDON TAYLOR WILLIAM C. DORF Managing Editor Associate Editor JOHN M. BORST JOHN. H. POTTS Technical Editor Assoc. Tech. Editor JOSEPH F. ODENB ACH Art Edito, Vol. XVII March, 1936 No. 9 516 1 Serviceman's Diary Anonymous keading Cuide 2 Radio Facts and Oddities H. T. Elmo 517 to this Issue- 3 5 -Meter Car Radio Laurence M. Cockaday 519 AMATEURS -3, 4, 6, 7, 8, 9, 10, 4 What's New in Radio William C. Dorf 521 11, 16, 17, 18, 27, 28 8, 19, 522 BROADCAST FANS -2, 4, 5, 5 How Radio Advances 1 By Leaders of the Indùstry 20, 21, 24 524 DEALERS -1, 3, 4, 5, 8, 9, 11, 13, 6 Armstrong's New Transmission System (Part 2)...Dale Pollack 14, 15, 17, 25, 2S M. Walker 526 DESIGNERS -3, 4, 5, 6, 10, 11, 17, 7 The "Ham" Shack Everett 18, 19, 28, 30 -Installed Antenna Mast The Staff 527 DX FANS-S, 16, 19, 20, 21 8 An Easily ENGINEERS -3, 5, 6, 11, 17, 18, 9 The 5 -Meter Range Beckons S Gordon Taylor 528 19, 28, 30 529 EXPERIMENTERS -3. 4, 6, 7, 9, 10 Meter Switching for the "Ham" L.