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73 Magazine (January 1981)

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Book Id: WPLBN0003304571
Format Type: PDF eBook :
File Size:
Reproduction Date: 2011

Title: 73 Magazine (January 1981)  
Author:
Volume: Vol. 1, No. 244
Language: English
Subject:
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Historic
Publication Date:
1981
Publisher: Amateur Radio Publishing, Inc.

Citation

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73 Magazine (January 1981). (1981). 73 Magazine (January 1981). Retrieved from http://hawaiilibrary.net/


Description
Description: 73 Magazine January 1981 (#244)

Table of Contents
Emergency Tone Alert System ...... WB5UVC, WB5ASA, WB5PRD 42 WWV-to-80 Meter Converter ...... N7BH 48 Cheap and Simple - your basic 13.8-V, 25-A power supply ...... WA9VLK 50 Direct Printing FAX - part III; testing and operation ...... WB8DQT 54 Unplug It, Dummy! - safety for the traveling ham ...... WB9SKX 58 Power Plus for the Omni - Improving on Ten-Tec's power supply ...... WA4IQQ 60 Oddball Offsets for the KDK-2015R - make a good rig better ...... WB6MYF The Strange Predicament of Walter Hann - OE8WHK did the right thing-and suffered the consequences ...... WA4PYQ 66 Put "the Rep" in Your Repeater - an automatic autopatch dialer ...... K4ALS 68 Quick and Dirty Line Noise Suppressor ...... WA4PYQ 76 Over the Hump and into History - the last flight of #42-107270 ...... Ritchey 78 Rx and Cx - easy-to-build substitution boxes ...... WD5CDJ 84 Don't Be Sunk by Heat Sinks - a painless introduction to heat-transfer physics ...... WA4OSH 86 Tracker -The Ultimate OSCAR Finder ...... WD8DRK, K8UR 88 You Still Haven't Built a Logic Probe? - try this one ...... Vergona 96 VHF Contesting - a magnificent obsession ...... N8RK 100 Sell 'Em with Slides - A/V shows can fire up enthusiasm ...... N8BPI 104 The Power Waster - adjustable electronic load for power supply testing ...... K6IQL 108 QRZ Sunshine - building solar-powered repeaters ...... WBlHXY 114 Transmitter Tune-Up for Blind Hams - an audible indicator for power out ...... WA4LBX 120 Installing Subaudible Tone Encoders - do it right ...... WA7LMO/N6XB 126 Four-Band Mobile Antenna - looks like a weird hat rack ...... K5PTC 129 Computers and HF - a discussion of alternatives ...... W9JD/DAlFE 130 Ned Novice and his Capacitance Meter - you too, can build one ...... W4VGZ 132 Daze of Whine and Noises - intoxicating information about alternators ...... K2PMA 146 Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.

 
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