73 Amateur Radio Today – June 1979

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

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