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Understanding Signals -- This Stamps in Class guide shows you how to generate, view and measure a variety of wave forms with the Parallax USB Oscilloscope and BASIC Stamp-controlled circuits.

Modulation and Wave Fundamentals Board -- Now Shipping! -- This board is an instructional ready resource designed to support lesson presentations in wave fundamentals and modulation. This handy tool can be used in connection with Amateur Radio licensing instruction or with any classroom instruction of the basics of radio wave modulation fundamentals.

Parallax USB Oscilloscope -- This portable two-channel digital storage oscilloscope is a handy and affordable tool for both hobbyist and student!

What's a Microcontroller? Parts Kit and Text -- Incorporates a variety of fun and engaging experiments using motion, light, and sound.

US Amateur Radio Bands - ARRL Frequency Chart (50 pk) -- 50 pack. Full color, size 8.5 x 11 inches.

Hints for More Successful Searching.

Hints for using the ARRL Periodicals Index Search:

Less is better! When searching for an article without using KEYWORDS, try not to enter the complete title of an article - your memory may not be an exact match to what was on the magazine page 30 years ago. For example to find -

The Field-Effect Transistor as a Stable V. F. O. Element, by G. D. Hanchett, W2YM in the December, 1966 issue of QST

- do not type all the information into the form. Any single piece that is not exactly the same will cause the search engine to fail. Better to try these strategies.

Broaden your search by narrowing your input. You will get a longer list, but your article is more likely to be there for you to recognize.



Page last modified: 11:05 AM, 01 Aug 2000 ET
Page author: tis@arrl.org
Copyright © 2000, American Radio Relay League, Inc. All Rights Reserved.