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73 Magazine (April 1961)

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Book Id: WPLBN0003304806
Format Type: PDF eBook :
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Reproduction Date: 2011

Title: 73 Magazine (April 1961)  
Author:
Volume:
Language: English
Subject:
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Historic
Publication Date:
1961
Publisher:

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73 Magazine (April 1961). (1961). 73 Magazine (April 1961). Retrieved from http://hawaiilibrary.net/


Description
Description: 73 Magazine April 1961 (#7) Six Meter Nuvistor Converter - Two 6CW4's in cascade give a fearfully low noise figure ...... K8BYN 9 Power Meter - Another valuable piece of test gear for the ham shack ...... K8ERV 12 Surge Protection in Reverse - Protect your silicon diode power supply from destruction by shorting ...... Pafenberg 13 Let's Modulate, Not Crepitate - Getting good modulation out of a Heising Modulator ...... K4ZGM 14 A New Noise Limiter - Get out the soldering iron, this one'll go in your receiver ...... K5JKX/6 16 Calibration - Why we haven't got it, how much we need it. And how to get it ...... W4WQT 18 Big Cannon - OK, here's a 20M kW amplifier, now stop bothering us for that ...... W6VVZ 20 Tennessee Indians - The public relations side of taming those Indians ...... K2SJN 25 Half Wave Feedlines - One resonant feedline for several bands? Yup ...... W9HOV 27 Automation - You didn't think we'd pass up April without one feature, did you? ...... K5JKX/6 28 Audio Boosting the Command Receivers - Turns out to be ridiculously simple once you know how ...... K8HDR 30 Pick Up the Droop - Your beam been saggy lately? ...... W7OE 31 40 Watt Transistor Modulator - Great for mobile rigs ...... KL7DLC 32 Testing the Heath Two'er - You will no doubt be flabbergasted to find that Don likes the Two'er ...... W3UZN 34 RF Noise Suppression - Technical treatise on how to exorcise the noise demons from your car ...... K2TKN 38 432 MHz Transistorized Converter - Part 2 (ahem) the schematic diagram ...... W3HIX 40 Take Your Pick - Big technical article: IF selectivity and the devious means used to gain it ...... Staff 42 Propagation Charts for April - What time, when, to where on what bands... Probably ...... K2IGY 54 Writing for 73 - How to get rich beyond your wildest dreams ...... Staff 56 Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.

 
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