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

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.

The ARRL Instructor's Manual for Technician Class License Courses -- For use with The ARRL Ham Radio License Manual. Includes CD-ROM.

Basic Electronic Morse Code Keyer Kit -- Build a Morse code keyer kit and experience the project-building fun!

Transmission Lines/SWR

ARRL Technical Information Service page · TIS Menu page

Understanding transmission lines is an important part of the art of radio--the proper selection and use of a feedline is often more important than the choice of radio. This is particularly true of multiband antennas fed with tuners--it is possible to lose several S-units of transmit signal strength by making poor decisions.

Additional information on this subject and related topics can be found in back issues of QST and the following:

Articles

 

Note: Some of the following articles are in Adobe Portable Document Format (PDF) files. To view and print these files, you'll need a copy of Adobe's Acrobat Reader program. (Version 3.0 or later required). More information here.

For information on a different but related subject, see Transmatch/Antenna Tuner

Note:

 

Contact information for suppliers mentioned in the above articles should first be confirmed using TIS Address Database Search.

Bibliography (Members Only)

 

ARRL Periodicals Index Search - This database contains the QST index from 1915 to the present and the QEX index from 1981 to the present. For QST issues from 1970 to the present, and some selected articles back to 1922 (when construction articles featuring tubes began in earnest), identifying keywords have been added to the technical articles. By entering keywords (ANTENNA) or combinations of keywords (CONSTRUCTION ANTENNA VERTICAL HF) into the Title words: field, you may create dynamic bibliographies.
Technical article KEYWORD list. Hints for more successful searching

Suggested keywords for more articles like the ones on this page are: SWR

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Article Reprints:

 

You can get a photocopy of any ARRL published article for $3 ($5 for nonmembers) for each article requested. Contact the ARRL Technical Department (reprints@arrl.org ), or  1-860-594-0390, between Noon and 5PM, Tuesday through Friday, if you wish to get photocopies.

 


This information was prepared as a membership service by the American Radio Relay League, Inc., Technical Information Service, 225 Main St., Newington, CT 06111 (860) 594-0214. Email: tis@arrl.org (Internet). ARRL HQ is glad to provide this information on the Web free of charge as a service to League members and affiliated clubs.

If you have any questions concerning the reproduction or distribution of this material, please contact:

 



Page last modified: 02:38 PM, 25 Sep 2007 ET
Page author: tis@arrl.org
Copyright © 2007, American Radio Relay League, Inc. All Rights Reserved.