73 Amateur Radio Today – July 1979
Issue Contents:
A Visit to Antenna Specialists
– Wayne tours the test range …… W2NSD/1 30
Secrets of Guyed Towers
– put ’em up and keep ’em there …… WB3BQO 34
Death-defying PL Mod for the KDK 2015
– not for the squeamish …… W8GQL 40
Feed-horn Mounting Made Easy
– solution to a pesky problem …… WB8DQT 44
Antenna Tuning Joy Revisited
– remember the Tektronix 190B? …… W9CGI 48
Modern Solid-state Equipment Design: A Better Way
– sorry tube fans …… W4RNL 52
Shortened Antennas for 75 and 80
– designs which fit your QTH …… W4AEO 58
Build This Simple 220 Yagi
– 3 elements 6 dB …… N8AJA 66
Beware of the Dreaded Phantom Ground
– exorcise those antenna gremlins …… WA2SUT/nNN0ZVB 68
A Close Encounter With Voyager I
– the W6VIO story …… K6PGX 70
Giant Wire Antennas
– impress the neighbors …… WD8CBJ 72
Microcomputer RTTY… a Software TU
– use your 8080 and very little else …… N1AW 78
Baudot Hard Copy For Your-sWTPC
– noisy but cheap …… K4HBG 84
The 9-element Duoband DX Attention-getter
– when you call they listen …… K4FK N4OG 92
Here’s a “Twist”
– an OSCAR antenna with a difference …… K4TWJ 96
A Fortified 2m Whip
– won’t bend in the breeze …… W9AMM 98
Ageless Wonder: the Collinear Beam
– sure beats a dipole …… W1FK 100
Three Baluns for a Buck
– go find yourself a junked TV …… W6SJQ 102
So You Want to Raise a Tower
– do it safely do it right …… WA7DPX 104
The Revolutionary Organic Antenna
– product of NASA research …… Gaddie 118
DDRR Dipole for VHF
– experiment! …… W6VX 126
Tennamatic: An Auto-tuning Mobile Antenna System
– works allof 40 and 75 …… W6TWW 132
Add Solid-state Braking to the T2X
– a worthwhile improvement…… WB2DTY 140
Compact Beams for 20 or 15
– build these-when your quad bites the dust …… W8HXR 144
“Weeping Willow” Vertical for 40
– go out on a limb and build one …… WA6OYS 150
Marine-band Activity
– a complete guide …… WA2KBZ 154
73 Amateur Radio Today – July 1979
