73 Amateur Radio Today – February 1971 Issue
Issue Contents:
New Approach for the Metal Locator
…… W6HDM 10
Practical Circuit Applications Using That Strange Didoe: The Varactor
…… Mengel 16
A Clean AFSK Unit
…… WB4FMP 22
An SSTV Patch Box
…… W4UMF 26
Amateur TV Easy
…… K2OJL 30
A Tuning Indicator for RTTY and FAX
…… W1OER 34
Two Simple Tone Units For Repeater Use
…… VE2BZK 36
On Efficiency Organization and Magazines
…… WA3BKC 40
220 MHz Converter for FM Pocket Receivers
…… K1CLL 42
Magnetic Deflection for SSTV
…… WB2ZIV 46
Build an 8 Transistor Code Oscillator With Just One IC
…… K6MVH 53
The Beeper
…… K1ZJH 56
Study Guide- General Class License- Part VI
– Gazintas and Gazoutas …… Staff 62
Phone Patch Level Adjustments and Manproofing
…… W4NVK 78
Wouldn’t You Like To Get Into RTTY?
…… WB2TCC 81
Perf-board Terminal
…… K5LLI 83
Tuning All-band Vertical Antennas
…… W5QKO/aI4QKO 85
The Low-ohm Meter
…… W3YZC 87
A Cheap and Easy Gus Watcher
…… W9SDK 92
73 Amateur Radio Today – February 1971 Issue
