73 Amateur Radio Today – September 1962
Issue Contents:
Synchronous Detection
– A breakthrough article reading signals 40 dB down in the noise …… K2TKN 6
73 Tests the Maverick Filter
– Really picks off those six meter Indians …… WA2INM 10
What’s a Vidicon?
– It is the amateur’s answer to live TV …… W2RWJ 12
Twin-cavity Two Meter Filter
– It’s what’s up front that counts. A thinking man’s filter …… W3TUZ 18
Treasures From the Junk Yard
– Car radios can be easily converted to 110 VAC …… W5VOH 22
Low-current Sliding Bias Modulator
– 40 watt transistor modulator …… VE7QL 24
How’s My What?
– Ken has a good answer for our June article on “How’s Your Ham Image?” …… W7IDF 28
Western Ham
– Sense of humor test. 10 points if tears come to your eyes …… Rodgers 32
Improved Grounded Grid Operation
– How to make your exciter load into the final about the same as into an antenna …… W6JAT 34
Rate-of-change Limiter Revisited
– Using crystal diodes in the noise limiter from the April 1961 issue of 73 …… K5JKX 36
Quad Mode Monitor
– Part 2. All band supermagnificent home built receiver …… W9DUT 42
73 Tests the Waters Universal Hybrid Coupler
– A very compelling article. You’ll probably be coupling after you read this …… K2CM 54
Propagation Charts
– W6AM complained that we left these out last month. Bet you never noticed …… K2IGY 60
Full Break-in Keying
– You can get along without it but there is nothing like it …… W4MLE 64
The Frequency Response Argument
– It’s what’s on top that counts. Keep the highs high …… W5SUC 68
Keying Surplus Transmitters
– Getting some code speed out of old relay controlled surplus rigs …… W4WKM 76
73 Amateur Radio Today – September 1962
