73 Amateur Radio Today – February 1982
Issue Contents:
The Fun-oscillator
– a simple goof-proof vfo for your QRP transmitter …… WA0RBR 12
Build this Antennalyzer
– you’ll need a weekend …… W1BG 16
Police Freqs for the TR-2400
– a sleepless night for the mod squad …… N9AKX 26
Those Amazing Bobtails
– the current-fed connection …… W1XU 30
Shoot the Moon!
– visual tracking for your EME array …… W9CGI 34
CQ MARS de IC-2A
– work new worlds …… WD8JLW 46
The Father of FM
– the tragic story of Major E. H. Armstrong …… Hammond 50
The Art of Listening
– audio accessories explored …… W8FX 64
A Dish Antenna Anyone Can Build
– no hyperbole just a parabola …… W8DJY 88
Job’s Own LNA
– rolling your own takes patience …… WA4CVP WA4OSR 92
Microwave Master
– you might not need a mountaintop …… WB4APC 96
CW interface
– let your computer do the copying …… W9JD 104
73 Amateur Radio Today – February 1982