73 Amateur Radio Today – March 1965 Issue with Index
Issue Contents:
Dual VHF Converter
– Combination 144/220 MHz Nuvistor converter …… W9DUT 8
Two-band Collinear Antenna
– For 40 and 15 meters by George …… W7CSD 10
The Parametric-transistor Multiplier
– A new development in electronics of great interest no doubt …… W6GXN W6QUD 12
Improving the Garden City TU
– Don’t let the title fool you; it’s a complete TU whatever that is …… W7CJB 16
The Ham
– Don’t miss this one. It hurts. Illustrated by K3SUK …… Pirolo 22
Oscar III Orbit Computor
– Be ready for the bird to fly …… W7SMC/6 20
Converting the CB-1 to Six Meters
– Don’t let those old CB rigs go to waste. Most are …… WA2INM 26
The Big Bang
– A g.g. 813 linear …… W4BV 28
A Better Converter
– Six meters four transistors two conversions …… WA0HQA 32
Hints for Microwave
– To inspire you to get to work …… K7ZFG 34
A New Power Tube
– The 8236 in an AM modulator. The tube is good for SSB too …… W1KSZ 36
Hybrid 432 MHz Exciter
– Get on 3/4 meters with only two tubes and a varactor …… W9SEK 38
5/8 Wave Vertical for Two
– For people who live in backward vertically polarized areas …… K4DJG 42
Printed Circuits-almost
– An effective method of attractive construction …… W3ITO 44
Scope Pix Trix
– Take pictures of your scope traces …… K6UGT 48
Easy Higher Power
– Using the 6146B …… K9FWF 50
AC Transceiver Supply
– Our SSB power supply for this month …… K4PNJ/4 52
Understanding Mixers
– You won’t understand this article …… W6BUV 54
Electronic Antenna Control
– Or how to point your beam the way your indicator points or something …… WA4GTA 60
DC’izing Scope
– Just what you’ve always wanted …… K5JKX 62
The Missing Link
– A short discussion of the many troubles that beset our readers …… K9AMD 66
El Toro
– Mosley’s limited space antenna that you can use anywhere …… W7OE 68
Heath GR-64
– Every ham should have a general coverage receiver. Here’s a good bet …… W3UZN 72
Understanding Schmidt Triggers
– If you want to understand Schmidt triggers this is a good article for you. You probably don’t …… K5JKX 74
Waters Mobile Antenna
– As used on the block behemoth …… W2NSD/1 79
UHF Dummy Load
– More UHF experimenteringistic gadgetry …… K1CLL 82
Improved Halo Mount
– Fine for hams who send their cars to car washes instead of having the XYL do it …… K3JZH 84
73 Amateur Radio Today – March 1965 Issue