73 Amateur Radio Today – March 1983
Issue Contents:
RTTY Tuning: The New Solution
– This simple tuning indicator whipped the competition and took first place in 73’s Home-brew II Contest …… WB2OSZ 10
Uncover Equipment for OSCAR Phase III
– lurking in flea markets and junk boxes is everything you need to work OSCAR. K6KLY tells what to look for and how to make it work …… K6KLY 18
Up and Coming: Direct-broadcast Satellites
– Part II looks at the technical problems with communications at 12 GHz which may be a offset by the advantages …… N8RK 26
The Fun-vac: A Synthesis of Old and New
– This one-tube transmitter combines the circuits of the fifties With the technology of the eighties. It also keeps your coffee warm …… WA0RBR 32
Adventure in Sarawak
– Two DXpediuoners journey to the land of headhunters – and send a signal to the rest of the world …… VK9NL 42
Put 2 Meters in Your Shirt Pocket
– Radio Shack’s Pocket weather radio makes a dandy 2-meter receiver. A few quick modifications will get it right on target …… K3PJG 46
The Secret Telemetry of OSCAR 8
– Do those numbers from the sky mean anything? You bet …… K5OM 52
Scandinavia: The 2-meter Dream Vacation
– Licensing frequencies and procedures- it’s all here. All you need is a plane ticket …… WA6OGW 58
Twisted Remote Control
– This circuit is easy to build and easy to use. The twist is that you probably own the most important part …… WD5JWY 64
Take Your IC’s Temperature
– Like people solid-state devices get sick if they get too hot. W3KBM provides a way to answer the burning question “How hot is hott” …… W3KBM 70
The Q-master Cavity Filter
– A high-q filter that uses no copper and no silver-plating- just coffee cans and some ingenious thinking …… KB6AL 74
Push Your Radar Detector to the limit
– Without this simple modification you won’t know what you are missing – until it’s too late …… W5LFM 86
Personalize the M600 RTTY Program
– Now you can design and save your own version of this popular software parkage. All it takes is a POKE or two …… VE4AFO 94
73 Amateur Radio Today – March 1983
