May 1939 QST
Table of Contents

May 1939 QST

Wax nostalgic about and learn from the history of early electronics. See articles from QST, published December 1915 - present (visit ARRL for info). All copyrights hereby acknowledged.

Visit the ARRL website today for a complete digital archive of QST and their other publications.

May 1939

Vol. XXIII, Number 5

Collins Radio Advertisement	Front Cover, Inside
Velocity Modulation of Electron Beams, Newbold Wheelock, W2OQ/WLNS	37
Wave-Shape Plots for Checking Amplifier Distortion, by George Grammer	50
National Company Advertisement: Inductor Bank Switches	71
ARRL Lightning Calculators Advertisement	97

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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...

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May 1939 QSTTable of Contents

May 1939 QST
Table of Contents