73 Amateur Radio Today – June 1979
Issue Contents:
Add Digital Display for $50
– 100-hz accuracy …… K4IQJ 28
High-performance Receiver Add-ons
– aren’t ICs wonderful? …… W5DA 32
A Solution to the Home-brew Housing Shortage
– building a box for your next project …… W0IHI 38
How Do You Use ICs?
– part XI …… WA2SUT/nNN0ZVB 42
Customize Your HT144B
– some nifty mods …… W2KGV 46
Ultra-simple CMOS Logic Probe
– a single IC does it all …… WB9PHM 50
“The Voice of Wolf Creek”
– the KGCX story …… W6CK 54
CB to 10
– part XIX: Lafayette SSB rigs …… WB0LLP/5 60
At Last! A Really Simple Speech Processor
– 5 dB for $10 …… W9UT WB9OEC 64
New Life for Tube-type Dippers
– simple circuit reads out on your frequency counter …… K4LJA 66
You Ought To Be in Pictures
– here’s what the guys on 14.230 are doing …… K4TWJ 68
How to Toot Your Own Horn
– and stay on key …… WA4CLG 72
A Junk-box HT Charger
– power to the portables …… WB9JLY 76
Protect Your Home-brew Panels
– no more spraying …… VE2BVW 80
Now You Can Possess Instant Recall
– don’t tell ’em the computer helped …… WB5UTJ/n5AUX 86
Calcu-trip
– a program for the open road …… Lutz 92
Charging Up the WE-800
– a convenient alternative …… K7CMS 94
Where Have All the kHz Gone?
– are the ham bands an endangered species? …… W8GI 96
The Ramsey 2m Amp Kit
– has a high Watts-per-dollar ratio …… N8RK 100
An Improved Display for the TR-7400A
– very sensible …… WA6AVJ 108
Inexpensive Scope Tuner
– “budget here is QRP OM” …… VE7CGK 110
The Resistance Substitution Box
– a ham’s forgotten friend …… WA2SUT/nNN0ZVB 112
Vodka Amongst the Penguins
– hamming with the Russians in Antarctica …… W1FK 126
Protect Yourself with a GFI
– before it’s too late …… WA6PEC 138
Poor Man’s CW Memory
– works even with a straight key …… WB0RYN 142
Power Up for Mobile Operation
– adding an auxiliary battery …… WB9SKX 146
Project Update
– doubled capacity for K2OAW’s repeater IDer …… K2OAW 148
73 Amateur Radio Today – June 1979