73 Amateur Radio Today – November 1961
Issue Contents:
Linear for Sunspot Lows
– Do-it-yourself F2 layer. A kilowatt six meter linear for SSB …… K6QQN & W6QMN 6
Transistor Mike Pre-amplifier
– Outboard pre-amp to make up for audio deficiencies of your rig …… K6PZT 10
Transistorized RTTY Audio Oscillator
– Printed circuit generates mark and space tones for RTTY …… W5SFT 12
Have You Met These Characters
– TVI brings out some remarkable characters …… K3HNP 15
TV Tuner Receiver
– The standard coil tuner makes a wonderful basis for a fine inexpensive homemade receiver …… W0RQF 16
Solid Power
– What diodes to use for what voltage power supply …… K5JKX/6 20
Phasing For Audio Selectivity
– Simple gadget makes the 80M Novice band sound almost vacant …… K5JKX/6 24
Quick and Simple Mobile Rig
– CB is good for something! Convert those CB rigs to 6-10-15-20M featured here …… K5JKX/6 30
Single-sideband Transceiver
– All band 200 watt PEP. VOX etc. Everything you could want in a transceiver …… W6BUV 33
A Quad for Six
– The quad works excellently on six meters too and is awfully easy to build …… W3TBF/0 48
Evolution of Antennas
– Short history of the early ideas in antenna design and how they grew …… W7OE 50
Propagation Charts for November
– What time to where when on what bands… Maybe. Including short-haul inter-u.S. …… K2IGY 58
Two Uses for a Birdie
– 1) Super accurate alignment of IFs. 2) Substitute for xtal standard for bandsetting …… K5JKX/6 62
Horn Antennas
– 1296 MHz requires an entirely different approach to antennas and feedlines …… T12NA 64
Audio Hither & Thither
– Connecting the tape recorder and phone patch into your rig and receiver …… W3KBM 66
Rewinding Relays and Transformers
– Rewinding for different voltages or in case of failure under the smoke test …… K0RRM 70
Surplus Utilization
– General discussion: where to buy what to buy and how to best use it after you have it …… W4WKM 72
Testing the Gonset Communicator TV
– Thorough rundown of this popular piece of gear …… W4API 80
73 Amateur Radio Today – November 1961