73 Amateur Radio Today – May 1972 with Index
Issue Contents:
SSTV Monitor
– Built from a kit …… WA4VAF 17
6 Meter Mobile Transmitter
– 40 watts of FM …… Martens 21
Quick Band Change Mobile Antenna
– With output indicator …… W4LLR 27
Audio IC
– For modulators receivers etc …… K1CLL 32
73 Tests the Larsen Antenna
– Very effective 5/8 wave mobile FM antenna …… W2NSD/l 36
How to Get the Stuff into the House
– Sneakily …… W2OOJ 37
Anti-cW RTTY Autostart
– 73 is Not anti-cW …… W4FQM/1 39
Extra Class Q&A
– Hedge that $9 gamble …… Staff 45
A Modern VHF Frequency Counter
– Can be built for under $100 …… K2OAW 53
OSCAR Mariner on Mars
– This should have run last month …… W7DXX 62
TV Sync Generator
– Using ICs …… K9AAC/7 65
Radio Astronomy
– Redeeming value science feature …… W4ZBE 74
The Past is Prologue
– FCC’s Prose Walker addresses QCWA …… W3UCT 85
Noise and Receiving Antennas
– Noise alas is the limiting factor …… W2EEY 93
The Sewerpipe Antenna
– 2m FM of course …… W7PUG 100
73 Tests Pickering Keyboard
– You still have to learn how to type …… K1NUN 103
Circuits Circuits Circuits
– And more circuits …… Staff 109
Signal Reporting
– Clever RST system devised …… W0HKF 113
Real Cheapie Freq. Meter
…… K6EAW 115
Simple Car Ammeter
– All solid state …… W6WDF 118
73 Amateur Radio Today – May 1972
