April 1939 QST
Table of Contents

April 1939 QST

Table of Contents

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.

April 1939

Vol. XXIII, Number 4

Checking Beam Antennas with the S-Meter, by S. Gordon Taylor	26
National Advertisement: AC Power Strip	71

Posted March 31, 2016

Copper Mountain Technologies Vector Network Analyzers - RF Cafe Website

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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