73 Amateur Radio Today – August 1997
Issue Contents:
A Free Repeater Free HTs and Some Good Ol’ PR
– Would your employer pitch in? …… WA9PYH 10
Figuring RF Exposure
– New standards can help avoid potential hazards …… W6YBT 16
Antennas for Amateur Television Part 2
– See Part 1 in July’s 73 …… K0NM 17
Negative Resistance RF Pre-selector
– An easy way to soup up that old superhet …… W2GOM/7
Emergency Communications
– The only salvation for ham radio? …… WB9MZL 30
At Sea About Marine Mobile Operation?
– Weekend boater or dedicated sailor you need your radio! …… XF1/kB6ASH 34
Board Creation Tips
– Seven steps to beautiful PC boards …… KC5AWJ 38
Frequency and CW CQs
– How to zero-beat your transmitter …… W6BNB 71
Keys to Days Gone By
– Enthusiasm for the code keeps this ham’s nostalgic collection working …… Seay 76
The Killer Beam
– Just how much is “some” assembly? …… W3UWH 81
Music From the Past
-a distinctive fist brings back memories of a revered silent key …… K9AZG 83
The Agrelo Engineering DFjr Doppler Direction Finder
– A fast track to T-hunting! …… K0OV 24
Sony’s ICF-sW100S
– A micro-sized shortwave communications receiver with full-sized features …… AH2AR/5 28
Communications Simplified Part 20
…… K2OAW 64
Oscillator Basics Part 1
– Some things every ham should know …… W6WTU 70
73 Amateur Radio Today – August 1997
