73 Amateur Radio Today – October 1966
Issue Contents:
Integrated Circuits
– How will they affect you? …… WA1CCH 4
EI Marrinero
– An inexpensive eighty meter SSB transceiver …… W6BlZ 6
Two Tubes for Two
– SSB on two with two tubes and a twenty meter transceiver …… K9EID 16
432 MHz Transmitting Converter
– Not too expensive or hard to build …… K6RIL 18
A Two Meter FET Converter
– Low-noise low-cost and low cross-modulation …… K6HMO 22
Electronic Thermometer
– Make sure that your linear doesn’t cook …… K5ILG 26
Controlled Avalanche Silicon Rectifiers
– There’s no need for those shunting capacitors and resistors …… W9EGQ 26
Telegraph Keys
– Look what’s happened to them …… WA6CEZ 30
220 MHz Receiver
– A super regenerative receiver for poor folks …… WB2EGZ 38
Ham TV Let’s Get Going
– Part 1: Theory testing and receiving. Part 2 next month …… K3ADS 42
The Multical
– A multi-purpose crystal calibrator …… K9VXL 48
Connectors for Surplus Tubes
– Use those 2C39s and 4X150s you got so cheap …… K2ZEL 50
DX Vertical
– Very simple very cheap very effective …… W0IFY 52
The Humidivox
– Here’s a new idea for avoiding citations …… WA2IKL 58
Gus Part 16
– After you read this you’ll won’t to move to Aldabra …… W4BPD 60
WTW and You Mr. DX’er
– And the WTW countries list …… W4BPD 66
The Future of the 10 Meter Band
– It’ll be coming to life in not too long …… Nelson 70
The WRL Duo-bander
– Ralph likes it; two bands for 50 cents per watt …… W8QUR 74
The RF Discriminator
– It’s little-known to hams but very useful …… K7DEP 78
AM vs. The Carrier
– Here’s proof that a carrier is not affected by AM …… W7CSD 82
Propagation
– How do you like our new propagation charts? …… Nelson 88
Zener Diodes
– Here’s an excellent article that explains Zeners in detail. Tells you how to check and use surplus ones too …… W2DXH 108
73 Amateur Radio Today – October 1966
