73 Amateur Radio Today – March 1969
Issue Contents:
Modifying the TCS Transmitter
– A useful piece of surplus gear …… K3UUL 6
A $4 Compressor Pre-amplifier
– More speech for less money …… W2EEY 10
Reactance or Impedance
– Answers to a lot of old questions …… K9ZPZ K9DRB 14
Weather Snooper
– Eavesdropping on the aircraft WX frequencies …… K6ZFV 18
The Charmin’ Keyer
– The solid-state keyer …… W9HXM 22
Amateur Radio Knows No Borders
– Saving a life across the Iron Curtain …… Staff 32
A Better Balanced Modulator
– A good project ……WA1FRJ 36
Adjustable Power Supply
– A must for building projects …… WA0ABI 40
Save Your Money
– Salvaging transformers …… K6GKX 42
Transistor Oscillators
– A variety of circuits old and new ……W9ZTK 44
Heath HW-18 Review
– 160 meter transceiver …… W8QUR 50
Cool It
– Blowers to cool the tubes for UHF …… K9CNN 54
A New Support for That Beam
– Using phone pole …… K1MYV 56
The Case for the Half-wave Feed Line
– Care and feeding antennas …… W5QRJ 58
Putting Creativity to Work
– Making household articles work in the shack …… VE3BUE 62
The Lamb Dyer
– An amusing story …… WA1ABP 64
IF Alignment
– A simple chart method …… K8ZHZ 65
Charlie’s Broken Dream
– Don’t be a “Charlie” …… WA8VST 66
Kluge Tube
– Resurrecting an old power amplifier maybe …… Staff 68
For Those Who Think Small
– And other tips …… WA4VQR 73
Surplus Conversions
– Where to find conversion information …… Staff 96
Surplus Advertising Catalog
…… Staff 97
Getting Your Extra Class License
– Part 2. Amplifiers ……Staff 128
73 Amateur Radio Today – March 1969
