73 Amateur Radio Today – July 196 with Index
Issue Contents:
North of the Border
– Amateur radio in Canada …… VE1TG 6
Suppressed Carrier Amplitude Modulator
– Double-sideband adapter for AM rigs …… VE7PQ 10
A Homebrew 50-foot Tower
– Low-cost self-supporting tilt-over construction …… VE6KS 12
Simplified Transistor Design for the Ham
– It’s easy when you know Ohm’s law …… VE1ADH 14
VE0 Ahoy
– Canadian maritime-mobile stations …… VE1TG 22
World’s Fair – 1939
– And the W2USA radio club…… Staff 30
Plain Ground Plane: Antenna
– An economical antenna for working DX …… VE7BBM 36
The Hybrid G4ZU Superbeam
– A very effective three-band beam for 10 15 and 20 …… VE3AHU 38
A Slow-scan Television Monitor
– An economical design using surplus components …… W9VZL 42
FET Pre-amplifiers for 144 and 432 MHz
– 2.5 dB noise figure on 432 …… W6OSA 48
A 30 MHz IF Strip Using Integrated Circuits
– 85 dB gain in a small package …… W7AKS 52
An Un-guyed Vertical Antenna
– Very useful for small backyards …… W6JTT 56
Two Cheap Crank-knobs
– Great arm savers for wide tuning ranges …… VE3BUE 58
The Tri-amp
– Versatile audio test unit …… K6UGT 61
Wide-range VHF-uHF Dipper
– 130 to 1 300 MHz with transistors …… K1CLL 64
A Few Tower Hints
– Protecting your rotator against the weather …… WA1ABP 70
Monitoring With an Oscilloscope
– Check the quality of your transmissions …… W0OPA 72
The Basic Desk
– A neat operating desk for the itinerant operator …… W0QOJ 76
Is Rock Bounce Practical?
– Mobile experimenters take note …… G3BID 78
Moonray
– Amateur radio on the moon …… W1DTY 80
Transmit Control With the 32S-1 Receiver
– Without modifying the receiver …… W6EUV 82
Project: High School Amateur Radio Club
– How to get one going and maintain it …… WA0NDV 84
Heath HR-10 Modifications
– Increased sensitivity and selectivity …… VE3FYL 86
Glub Glub I’m Drowning
– In a sea of noise …… WA0NQL 88
The Galaxy V Mark 2
– A review of Galaxy’s newest transceiver …… W1DTY 94
The Heathkit SB401 Transmitter
– Benton Harbor’s new companion to the SB301 …… W2DJL 98
Climbing the Novice Ladder: Part 8
– Judy and Joe approach the pinnacle of achievement …… W7OE 102
Gus: Part 25
– Capetown South Africa …… W4BPD 108
73 Amateur Radio Today – July 1967