73 Amateur Radio Today – September 1983
Issue Contents:
“10… 9… 8…”
– Be ready when the Space Shuttle Columbia carries aloft the first astro-ham. Here’s the best way to contact this historic DXpedition …… WA6ITF 8
Join the Packet-radio Revolution
– Get error-free high-speed communications -packet radio’s chief architect WA7CXD explains what it is and how it works …… WA7GXD 16
Be a RTTY Rembrandt
– Put that award-winning shine on your RTTY pix with these tips from a RTTY artist’s sketchbook …… WA2OQJ 28
How to Increase Your QSOs
– N6HYK’s seasoned advice will add spice to your CW contacts-even if you aren’t a Novice …… N6HYK 34
Home-brew an Apple Computer and Save!
– In this 73 exclusive KB2CA reveals the secrets of Apple construction From key board to motherboard it’s all here …… KB2GA 40
Build This Super Switch
– The only thing this switch won’t do is brew your coffee It’s the lazy mans delight …… K4YS 52
The Amazing Cylindrabola
– This microwave antenna is easier to build than a dish But it works just as well …… WA4WDL 54
Colorful RTTY: An Advanced System for the TRS-80C
– It’s all here-a TU program and modem to turn your CoCo into a professional-quality RTTY terminal …… K6AEP 58
73 Amateur Radio Today – September 1983
