73 Amateur Radio Today – August 1975
Issue Contents:
The Oscar Zapper
…… WB4VXP 12
Identalert C
…… K2PMA 22
Digital SWR Computer
…… K2OAW 25
RF Feedback The Experimenter’s Curse
…… K1CLL 36
Surveying the DVM Scene
…… W9KXJ 42
How About a Weather Satellite Monitor?
…… WB8DQT 45
The QRP Accu-keyer
…… WA5KPG 58
Catenary Suspense
…… W1BNN 62
Copper Rip-off
…… W7SHY/6 69
Better Results from those Sweep Tubes
…… K4TWJ 70
The Best Logic Yet
…… WB5IRY 73
How to Compact Multiband Dipoles
…… VE3GSP 80
Don’t Feed the Bears!
…… Michigan Radio Doctor 92
The Wonderful Mini-chronometer
…… W2AOO 95
An Accessory VFO – The Easy Way
…… Staff 103
Modern Non-morse Codes
…… K8BFH/l 111
Build This Amazing Function Generator
…… W6GXN 121
Charge that KP202
…… VK3OM 141
So You Want Front-to-back Ratio?
…… K7PVZ 147
73 Amateur Radio Today – August 1975