73 Amateur Radio Today – October 1961 Issue
Issue Contents:
Six Meter Linear Amplifier
– 90 watts AM 360 watts PEP SSB 2-1/2 watts drive to pair 7378s …… W2LPC 6
Simple High Stability VFO
– 5763 osc. 5763 buffer. Colpitts circuit …… W2RWJ 14
73 Tests the Central 200V
– It works …… Staff 18
CQ de 73
– Converting the ARA-26 surplus keyer for ham work. Inexpensive and lots of fun …… W2WKM 22
Like New Mixer Circuit
– New way to improve sensitivity and stability of your receiver …… Staff 32
Two Meters the Easy Way
– The MRT-90 packset available surplus makes a terrific two meter transceiver …… W2WKM 36
Useful Accessory for the Shack
– You can’t get along without this wavemeter/field strength meter/monitor …… W2WXH/6 38
Inexpensive Vertical
– Easy to put up tunes 80-40-15 meters and works out fine …… W6NKE 40
Dual Diversity Beam
– This we predict will be a very popular DX’ing antenna …… K6CT 42
VFO Circuits
– Good and bad features of all known circuits. Our big technical article …… Staff 46
Obtaining That DX License
– Gus divulges his secret tactics which will soon give him a reverse DXCC …… W4BPD 58
Sequential Electronic Switch
– Key VFO and final screens in sequence for clickless spark-free keying …… KV4CI 62
Propagation Charts
– What time to where on what band probably. For world and U.S. short path …… K2IGY 64
Send-receive Ground Switch
– Antenna switch for simple ham stations. Also keeps lightning out …… Pyle 66
Maximum Utilization from Variacs
– Very useful devices. They’re available surplus if you hunt around. Even new they’re worth it …… W4CAG 72
Construction Do’s and Don’ts
– Rules of the game. Read please …… K5JKX/6 76
Emcar 6
– Why you should get a Porsche to go with your mobile rig …… W3JXT 82
Little Thief
– Li’l one tube CW rig powered from your receiver …… W3FQJ 84
73 Amateur Radio Today – October 1961 Issue
