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73 Magazine (September 1961)

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Book Id: WPLBN0003304801
Format Type: PDF eBook :
File Size:
Reproduction Date: 2011

Title: 73 Magazine (September 1961)  
Volume: Vol. 1, No. 12
Language: English
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Publication Date:
Publisher: Amateur Radio Publishing, Inc.


APA MLA Chicago

73 Magazine (September 1961). (1961). 73 Magazine (September 1961). Retrieved from

Description: 73 Magazine September 1961 (#12)

Table of Contents
Silicon Rectifiers - How not to pop 'em, a lesson for hams and engineers alike ...... W1OOP 6 Tuning Bypass Condensers - How to make a bypass bypass at the VHF's ...... K5JKX/6 8 Simplescope - Perchance the title may give this one away. You need one. Build it ...... W0OPA 10 VFO Chirp vs. 6AU6 - Several VFO's use a 6AU6. Lousy choice, try a 6AH6 instead and see ...... K3KMO 20 Console - If you're going to be obstinate enough not to buy an Alden Hambench, then build this ...... W9HKA 22 Class B Modulators - We'll print anything ...... WA2INM 28 Eye for Resonance - How confounded simple can a GDO get? This is how simple, that's how ...... K6EAW 30 Break-In A la Transwitch - Complete station control unit, transistorized ...... W7AXJ 33 Environmental Testing - Be nice to surplus gear, it has been through a lot ...... W2WYM 36 Band Edge Marker - A 3.5 MHz crystal calibrates your receiver on all ham bands ...... WA2HZR 37 Tell The World - Ham radio needs publicity, here's how to go about it ...... K5JKX/6 39 Zero Shift Keying - A new idea, presented first in 73. You'll be hearing more about this ...... K5JKX/6 42 Cross-Polarized Beam - A new approach to diversity transmission and reception ...... K6CT 48 Crystal Oscillators - This is the Big Technical article. You'll find interesting ...... Staff 50 Propagation Charts ...... K2IGY 64 Why a 73 Page Magazine Is Impossible - or: further developments of the kW Transistor Transmitter ...... K2PMM 72 Index courtesy of

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