73 Amateur Radio Today – December 1982
Issue Contents:
The Hangman’s 2-meter Collinear
– Make your tower do double duty. Drop this array from the top and get 6-dB gain …… W1GV/4 10
Deep-six Squelch Tails
– Kerchunks take a dive with the addition of this audio delay …… WA2NYE 14
Build Yourself A Paralyzed Beam
– Go from east to west In less than a second with this 2-meter array. And put your rotator out to pasture …… WB2WIK 24
Taming the 2-meter Linear
– It lives In the forest of spurious oscillations and answers to the call of the correct bias. Catch one for yourself …… VE3LMP 28
The Frugal Floppy Bazooka
– This 2-meter antenna coils up into a small package but it shoots a straight signal …… N7BGZ 32
Taking It Higher
– Raising a repeater’s antenna is the way to wider coverage right? Wrong …… W4MLE 36
Dial-a-frequency
– Let your fingers do the walking with this remote control. All you need is a spare telephone …… K1WGN 44
Improving God’s IDer
– Put more flexibility the K2OAW circuit and save the advantages of the original …… K9XI 51
The Bunesti Caper
– The two British agents needed a power amp-fast. Could the American ham build one? …… W9PJF 56
The Tube Returns
– Move over ICs This receiver is easy to build cheap and works like a dream …… W1BC 64
The Program That Knows It All
– Repeater info third-party agreements you name it-this TRS-80 BASIC program knows it …… W8XW 72
Berserk Direction-finding
– Zero In on transmitters in seconds with this TRS-80 program. It will tell you how to get there too …… WD8CBE 76
Shack from Scratch
– Building a ham shack in a new home can be a breeze. Just plan ahead …… W2XQ 84
Winning the Coax War
– The electrical length of feedline depends on its velocity factor. Don’t get caught short …… W9PJF 90
Red-hot and Ready to Go
– Anyone who has ever soldered knows that the cord gets in the way. Find freedom with this homebrew cordless iron …… W7RXV 101
Cutting Current to Size
– Measuring large ac currents can be difficult unless you know a trick or two. W7CRY explains how …… W7CRY 108
Construct This All-american Audio Signal Generator
– The perfect project for starting a test bench or rounding one out …… WA2SUT 116
Maximum Modulation for CB Conversions
– Many CB rigs lack the gain for full modulation. This preamp will help …… AJ0P 122
73 Amateur Radio Today – December 1982
