73 Amateur Radio Today – January 1982

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

Return to 73 Amateur Radio Today Index


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