73 Amateur Radio Today – June 1985
Issue Contents:
Tune In the TU-1000
– Has your RTW budget hit bottom? Then dust off that soldering iron-k9EUI’s no-nonsense terminal unit gives store-bought performance at a build-it-yourself price…… K9EUI 14
Secrets of Telehamming
– When the bands are dead try trading your transmitter for a telephone. Operators are standing by …… K9EI 24
CoCo’s Counter
– Use this dirt-cheap method to tune up your AFSK generator …… KG4Q 26
Is Ham Radio Baking Us?
– What damage occurs when human bodies are subjected to electromagnetic fields is not fully understood. Here an expert in biostatistics examines the problem from an amateur’s perspective-and offers some practical preventative suggestions …… VE3KSP 28
AFSK And Ye Shall Transceive
– A sine from heaven is what you’ll get when you build the AFSK-1020 …… K9EUI 32
Through the Looking Glass
– If you could peek at a RTW signal through magic audio glasses what would you see? You’ll find out with KN4L’s Apple opus. a program that whispers. “Run me” …… KN4L 34
Perfection Plus
– It’s not often a prize-winning package can be improved. Here’s a new look for a popular RTTY tuner …… W1PDI 36
Speak-No-evil RTTY
– This tiny routine is all you need to transform your Heath H-8 into a RTTY receiving demon! …… WA6NHC 40
On the Flip Side
– Here’s how to add reverse shift to your Kantronics Interface …… K1QPS 42
Quash QRM
– Add a “RTTY Narrow” position to your TS-520’s mode switch-you’ll never copy hits again! …… KA4MTO 44
The D-day Demodulator
– When the CV-89A joins forces with your micro. you’ll take the RTTY bands by storm! …… WB5LLM 46
Slick VIC Trick
– Here’s the cheapest way we know of to add a printer to your VIC-20. First find a Model 33 …… KW9L 50
QSK for Your Vintage Vfo
– All it takes is an hour …… KA3GCQ 54
73 Amateur Radio Today – June 1985
