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