73 Amateur Radio Today – October 1976

73 Amateur Radio Today – October 1976

Issue Contents:

Build a Weird 2 Band Mobile Antenna

– fantastic parking lot car locater …… W6AAQ 20

Build a Counter for Your Receiver

– updating receiver fun …… WA3YGJ 28

How Do You Use ICs?

– part II …… WA2SUT/nNN0ZVB 38

QRP Fun on 40 and 80

– have a real ball with just 5 Watts! …… K5JRN 44

The Hybrid Quad

– has low windload expense hassle …… WB8VCS 48

Frequency Detector for Your Counter

– sounds alarm when set frequency occurs …… W2AOO 50

Programmable CW ID Unit

– for RTTY repeaters mobile etc …… WA6JMM 52

New IC for the Counter Culture

– simpler counters with less used power …… W4CUG 54

Is My Rig Working or Not?

– build an effective radiated field meter and know! …… K8VIR 56

Quickie Collinears for 15 and 10

– satisfaction guaranteed …… K8ANG 58

500 MHz Scaler

– PC boards are available …… K2OAW 62

Build a Super Standard

– goes right down to 1 Hz …… WA7VVC 66

The Incredible Lambda Diode

– you can even make it yourself! …… WB5DEP 70

Mechanical RTTY Buffer

– using a tape punch and a clock …… K5UAR 74

Have You Used a Triac Yet?

– nifty solid state ac relay gadget …… WB9JSE 76

Another CW Keyboard Keyer

– CMOSed for ultra low power consumption …… WA9VGS 78

RTTY/uP Flexibility

– Baudot / ASCII serial/parallel I/o …… Roloff 96

Blowtorch Your ICs

– a bonus from computer surplus …… VE3FEZ 101

How to Interface a Clock Chip

– Baudot BCD or ASCII conversion …… G8KWR/dC0GK 102

Hey Look What My Daddy Built!

– six TV game chip can make you a hero …… Ciarcia 104

A TTL Tester

– great for unmarked bargain ICs …… WA9VFG 110

How to Check Memory Boards

– use this simple program …… VE3DWC 114

The New Ham Programmer

– making those confounded uPs work …… W2HBY 118

The Soft Art of Programming

– getting started with BASIC …… Didday 124

BASIC? What’s That?

– the basics of BASIC …… WA1GFJ 128

Is It the Band or My Receiver?

– the microvolter will tell! …… Staff 132

73 Amateur Radio Today – October 1976

Return to 73 Amateur Radio Today Index


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