73 Amateur Radio Today – August 1985 Issue
Issue Contents:
The Downunda Project: Part I
– Stone the crows! This fair dinkum 2m transceiver from Australia really scores a six! …… Simpson 14
Harmonic-free QRP?
– Avoid an FCC pink slip by measuring second-harmonic power with the ZS6UP reactance load …… ZS6UP 29
World War Wireless
– What can you do with a pencil a razor blade a paper clip and a hank of wire? Why build a radio of course! …… W1BG 32
Instant ATV!
– W8CHK breaks through the mystique surrounding fast-scan television. You won’t believe how easy it can be! …… W8CHK 36
Modification Mania!
– Here are not five not ten but fifteen ways to perk up your HW-401 …… AI7C 42
Hunt the Auto-fox
– Has your transmitter-hunting gone sour? DFers will love chasing this wily box and its variable skill levels give them a run for their money …… WB6GTM 48
Surviving the Unthinkable: Part III
– WA8YKN outlines simple precautions that will allow your radio equipment to survive an electromagnetic pulse …… WA8YKN 52
Scope That Signal
– Are you over-modulating? Is your linear linear? Find out with a station monitor you’ve built from scratch …… KD6VP 56
A Scavenger’s Radio
– Using it is easier than building it …… KA0DMT 66
73 Amateur Radio Today – August 1985 Issue