ARTICLES

SECURITY ELECTRONICS SYSTEMS AND CIRCUITS — PART 7 - Ray Marston
This month’s installment concentrates on practical build-it-yourself anti-burglary circuits.

THE YEAR 2000 PROBLEM - Jeff Stefan
As the new century draws nearer, computer systems large and small are headed for disaster. Find out just why, what, and how ...

TROPO TIME IN AUGUST ON THE VHF/UHF AIRWAVES - Gordon West
It’s that time of year that hams love the most ... Tropospheric ducting in August can extend communication paths as much as 10 times the normal line-of-sight range.

DIGITAL FREQUENCY COUNTERS: PART 1 - Fred Blechman
Find out about typical low-cost counters and how they are used.

THE COMPUTER CONTROLLED WORLD - Ryan Sheldon
Learn how to build an RS-232 networkable dual channel analog-to-digital converter.

NEW ITEMS
SHORT CIRCUITS ... This new department features mini-projects, quickie-tips, etc., as submitted by readers. This month’s selection includes a schematic for building a remote telephone alarm. Send or E-Mail your favorite “Short Circuit” for possible publication.

NEWS BYTES ... This section will feature relevant news and happenings in the various electronics communities. This month spotlights free Year 2000 compliance software.

COLUMNS

AMATEUR ROBOTICS NOTEBOOK- Robert Nansel
Calibrating Breadbot, plus SIMMSticks and the ADAPT-11 family.

OPEN CHANNEL - Joe Carr
More on earning an electronics technology degree, plus radio receiver sensitivity.

RESOURCE BIN - Don Lancaster
Finding semiconductor and IC data.

STAMP APPLICATIONS - Jon Williams
Remote Control Stamping: Part 2.