73 Amateur Radio Today – May 1965

73 Amateur Radio Today – May 1965

Issue Contents:

432 MHz Converter

– Easy-to-build converter to get you on 70 cm …… K6MIO 6

A New Approach to Phasing

– Not all SSB transmitters use filters you know …… W8HXA 12

The Big Bomb

– Runs a gentleman’s gallon …… W0SYK 18

Two for Two

– Some antennas for our western hams …… W6TKA 22

The Trouble with Fred

– A fetching tale illustrated by K3SUK …… Margolis 26

A Versatile Oscilloscope

– Every ham needs a scope. This one does a lot but doesn’t cost it …… W0OPA 30

Constant Gain Audio System

– Pretty clever. Take a look …… Pullman 36

A Cool kW

– Another approach to the inexpensive power supply …… K5YWJ 38

Beer Can Cavities

– For use on two. Low noise transistor converter included …… WA2INM/1 40

Four-element Rhombus

– Yeah that’s right …… K2IRK 44

Power Decade Resistor

– Or is it “Decade Power Resistor?” …… Lyman 48

Improve Your GDO

– If it suffers from the common GDO maladies …… K5JKX 70

Six Meter Junk Box Station

– The title sounds vaguely familiar …… K3VLQ 54

Design of Log Periodic Antennas

– A 73 technical scoop …… VE3AHU 62

Gus: Part 1

– This is it: The beginning of Gus’ life and DXpeditions …… W4BPD 66

73-a-phone

– Yeah it’s a stupid title but what do you expect from an editor of S-9? …… K5JKX 70

The 1215’er

– Hoisington sure makes 1200 MHz easy to reach …… K1CLL 72

Total Boredom

– But not to read …… W71DF 80

Oscar III Highlights

– What happened …… K0CER 82

Davco DR-30

– Review of a remarkable new receiver …… WA1CCH 86

Litts Code Snitcher

– Code monitor-oscillator. Good to at least 16 wpm …… WA6UVS 90

73 Amateur Radio Today – May 1965

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