73 Amateur Radio Today – April 1986
Issue Contents:
The Dayton Hamvention ’86
– The center of the ham radio universe …… WA4BPI 20
Your Bridge Over Troubled Antenna Tuning
– Is your antenna less than ideal? Put more fire in the wire …… W3MT 24
Stretch the GP Antenna to the Max
– This the simplest of all antennas has much to recommend it …… GW3SB/g3SB 27
The Care and Feeding of a Curved Linear Array Antenna System
– For low cost very low maintenance yet acceptable performance try this antenna system for use in high-frequency amateur radio operations …… N6BIS 30
Stacked Vee-beam Arrays
– If 15 meters sounds dead you’re not using the right antenna! …… W6TYH 32
The Match Maker
– Everyone knows that antennas and transmitters should “match.” But what exactly is that? And how is it achieved? Here are the answers …… VE3LMP 38
Antennas Should Be Heard Not Seen
– Ham radio meets interior decorating! KC3HW’s 2m J-pole wins the prize for unobtrusiveness …… KC3HW 42
A Connoisseur’s Microwave Converter
– Brent Harry set out to build not the cheapest but the best downconverter possible. Serious microwave enthusiasts will thank him …… Harry 45
Get With the Program and Speed Up Your Code
– Here’s your opportunity to increase your code speed without QRM QRN or QSB! …… KA2QOU 54
The Potabilities Are Endless!
– Dunk your next project into icky goo and discover why potting a circuit is even more fun than building it …… KA7AWD 57
The Basics of Computer CW
– Here’s a twist: W9ODK preprocesses Morse to make life easier for his VIC-20. The result? A Basic program that copies code from 5 to 50 words per minute …… W9ODK 59
Terminal Teletype
– The last RTTY program you’ll ever write for your H-89 …… W3RWU 62
Malley’s Manchester Monitor
– Listen in on the world’s finest conversationalist-you! …… K1NYK 66
Easy Digital Circuit Analysis
– Learn the basics of Boolean algebra while you design an electronic keyer. Then use K5VKQ’s techniques to give your project a “software smoke test” …… K5VKQ 68
Rock Solid Rf
– Get pinpoint precision with this PLL-based frequency synthesizer …… Ociepka 74
73 Amateur Radio Today – April 1986