73 Amateur Radio Today – January 1982
Issue Contents:
Egad! A Nine-tube Linear
– results from the W7CSD test bed …… W7CSD 12
Drama on Mt. McKinley
– ice snow and amateur radio …… W7KUF 18
The Simplex Autopatch
– a telephone interface for everyone’s two-meter rig! …… WA7VZR 26
The Cheapskate
– a checker for bargain diodes …… K9QLL 30
Constant Current from a Voltage Regulator
…… WA4WDL 39
The Hesitator: A Windshield Wiper Control
– a rainy day project …… N4UH 40
TVRO Signal Source
– tuner-based test gear …… N1BEP 46
Satellite Television Glossary
– part II Satellite Television Handbook …… Staff 54
Going Bird Hunting?
– Satellite Central part III …… Gibson 60
Micro-programmed Controllers
– bridging the gap between TTL and microprocessors …… K2OAW 68
Messages from Station Charlie
– when wireless meant life or death …… Phenix 88
The Great Compromiser
– Henry Clay eat your heart out …… W5JJ 104
Touch-tune with Thumbwheels
– cast away darkness …… ZL4LM/vK3CIT 110
Put Talking Time on Your Repeater
– a Sharp idea …… WA4VYR 116
73 Amateur Radio Today – January 1982