ARRL

Technical Information Service

Introduction

The ARRL Technical Information Service is the member's resource for technical problems -- understanding the fine points or getting tips for your projects.  Your membership dollars support a vast collection of technical material, including some of the best QST and QEX articles for free download.  We have ARRL field volunteers who can provide local assistance.  If the other resources still leave you perplexed, you can contact the lab staff for assistance with ham radio questions by mail, email or phone. Be sure to include your call sign or membership number with your inquiry.

Where to Look for Answers

Be sure to visit the Technical FAQ (Frequently Asked Questions) before contacting the TIS.

How do I ...?

Radio Technology Topics--Technical pages on a variety of subjects you can read/download

Where did I see ...?

ARRL Periodicals Index Search - This database contains the QST index from 1915 to the present and the QEX index from 1981 to the present. Annual indexes can be downloaded from the archive by using the search terms "index volume" 

If you prefer to browse the QST annual index, recent indexes are available for download

Where do I find ...?

How do they compare ...?

How TIS Can Help

Members can contact TIS at:  tis@arrl.org

Non-members should contact circulation@arrl.org. TIS is pleased to help a new ham get started or help an old timer get back into ham radio but non-members will be asked to join the ARRL so we can continue to provide this valuable membership service. After solicitation, non-member inquiry will be promptly forwarded to the ARRL HQ TIS staff.

Join ARRL

Donate Now

QST Get it here