73 Amateur Radio Today – January 1972
Issue Contents:
RTTY Art
– A new art form is born …… WA6PIR 13
The TT-63A As A Display Generator
– Surplus conversion for RTTY …… K2BEH 17
Television Monitor
– All solid-state except for the tubes …… K0MOC 21
73 Tests The Icom IC-21 Transceiver
– Twenty-four channels -holy moly! …… K1NUN 27
73 Tests the Regency Transcan FM Transceiver
– Listening to 8 repeater channels at once …… W2NSD 29
73 Reviews The Allied AX-190 Ham Receiver
– New solid state receiver for $250 …… Staff 30
Phone Phreaks vs Ma Bell
– How people get caught cheating TPC …… WB8LBV 31
AFSK Revisited
– or how I learned to stop worrying and love teletype …… WA3AJR 35
Tuning Indicators for SSTV Monitors
– The sooner you try SSTV the better for you …… K7YZZ 39
Designing Diode Matrix Units
– For automatic ID …… WA0ZHT 45
Circuits Circuits. Circuits
– Circuits …… Staff 53
The Making Of A Modern Day Receiver
– Why some are better than others …… W2FEZ 57
Simultaneous Multi-band Transmissions
– In case you want to imitate W1AW …… W2EEY 61
A Pre-Novice Transmitter
– A fun way to learn code …… WA8OIK 67
The Problem of Inversions
– The logic of USB vs LSB on SSB …… K3WNX 69
A Medium Frequency Converter For High Frequency Receivers
– Tuning 400 – 1000 kHz on you r 80m receiver …… VK3IQ 73
Easy End -feed Z Match
– End-feed antenna 80 – 10m …… G3OGR 75
Coat-hanger Antenna For 2 Meters Revisited
– The improved coat-hanger …… Gelsinger 77
73 Uses The Simpson Model A
– Well designed well built …… Staff 79
73 Reviews the CT Power Amplifiers
– Tiny mobile rock crusher …… Staff 85
Optimal Vertical Antenna Loading Techniques
– A vertical can be satisfying …… W2EEY 87
73 Amateur Radio Today – January 1972
