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73 Magazine (February 1961)

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Book Id: WPLBN0003304808
Format Type: PDF eBook :
File Size:
Reproduction Date: 2011

Title: 73 Magazine (February 1961)  
Language: English
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Publication Date:
Publisher: Amateur Radio Publishing, Inc.


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

Description: 73 Magazine February 1961 (#5)

Rolling Your Own - We're determined that you're going to build something ...... K5JKX/6 11 Amplifier for Varicap Modulator - More for gain for the modulator in our October issue ...... W7CSD 16 World's Simplest Phone Patch - Average construction time: five minutes ...... K5JKX/6 17 Two Meter Pip-Squeak - Complete phone rig using only three 6CX8's ...... K6BP 18 Squawk - Guaranteed Houser. We should needle Ken into writing more like this ...... W7IDF 20 Six Meter Converter - For the car... Operates with only 12 volts on the plates ...... K5JKX/6 22 Heath Phone Patch - Heath does it again. Works fine for SSB also. Hey Heath, where's the ads? ...... K2DHA 24 Life Insurance for Transistors - These little rascals are delicate, so watch your step ...... K6EAW 26 Beat Generation - Big technical article on SSB and CW detectors ...... Staff 28 Updating the Absorption Wavemeter - Real handy piece of test gear, and easy to knock together ...... W3FQJ 34 Interference Chaser - Easy way of getting audio break-thru out of TV sets and things ...... K5JKX/6 35 Getting the Most Out of Your Mobile Whip - How to make the best of a miserable situation: a short vertical antenna ...... W4API 36 How Modern is the VFO? - Not very ...... W7OE 38 EICO Grid Dip Oscillator - Our Associate Editor is still building up kits and liking 'em ...... W3UZN 42 Power for the Pro - Super-Pro owners, take note ...... K5JKX/6 44 Differential Switching - Using polar relays for sensitive switching- at different current levels ...... Pafenberg 46 Propagation Charts - What time to where on what bands... Probably ...... K2IGY 56 Index courtesy of

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