73 Amateur Radio Today – August 1989
Issue Contents:
Find Your Signal the First Time!
– How to quickly deal with Doppler shift on the hamsats …… AA6CQ/vE6 44
JEZ-jugendelektroniczentrum
– First-class ham education program …… HB9DU 46
CTCSS Fast and Cheap
– Simple PL tone board project …… N6UE 13
COCOA-a COllinear Coaxial Array
– Deluxe 80m wire antenna …… W2OZH 34
Control Your Rig from a PC
– This project lets your rig and home computer talk to each other …… N7IPY 34
Full-wave VHF Vertical Antenna
– Easy-to-build good gain antenna …… AF8B 42
Need FM?
– Add this mode to your rig at little cost …… KB2BQK 48
10 GHz RF Preamp
– Get started on putting together your 3cm system! …… WB6IGP 49
IF Shift Cheap
– Quick ‘n’ easy QRM-buster for your older rig …… W0WUZ 53
Kantronics HAM
– Multi-mode controller with packet gateway function PBBS and much more! …… WB6RQN 18
Ameritron AL-80A Linear Amp
– This reliable 1kW amp won’t drive you to the poorhouse …… W1FYR 28
Ramsey COM-3
– Quality service monitor at less than one-third the cost of ~ tpse ers …… WB9RRT 32
Ramsey SR-1 Receiver Kit
– SW listening and home-brewing fun for only $25 …… WA9PYH 38
Uno Dos Cuatro
– Introduction to the “numbers” stations …… W3LOY 31
73 Amateur Radio Today – August 1989
