Find on this site... Site Index  ·Classes ·Exams ·Clubs ·Hamfests ·Addresses    Search site:    Call sign search:   ARRL Member Login... Username:   Password:    Register    Forgot userid/password?  Quick Links... ·Join or Renew ·Catalog & Store ·ARRL Courses ·Classifieds ·Getting Started

Operating Activities Licensing News/Bulletins Services Education Public Service Support Donate to ARRL ARRL Info Text-only

ECLM Chapters ECLM Homepage Introduction Operating Practices Rules and Regulations Electrical Principles Components and Building Blocks Electronic Circuits Radio Signals and Measurements Radio Modes and Equipment Antenna and Feed Lines Topics in Radio Propagation Safety   ARRL Products: Digital Communications (More) Morse Code for Radio Amateurs -- Includes a free CD of audio and computer programs. Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology. Nifty E-Z Guide to PSK31 Operation -- A complete guide for implementing PSK31! VoIP: Internet Linking for Radio Amateurs -- Now Shipping! -- Your complete guide to the most widely-used VoIP systems used by hams: EchoLink ,IRLP, eQSO and WIRES-II. The ARRL Digital Technology for Emergency Communications Course -- Now Shipping! -- CD-ROM. Learn all the ways to use digital technology as an emergency communications tool!

Chapter 1 – Introduction

Each section of the Extra Class License Manual has numerous links to this Web site - for resources, study aides, and reference.  Making use of the following links will help you study effectively.

On-Line Practice Exams
Practice with the actual questions until you're confident of success!

• QRZ.com
• eham.net
• AA9PW.com

ARRL On-Line Resources

• ARRL New Ham Desk -This is the address for email when you need extra explanation on a topic or just have a question.
• ARRL Licensing Information - Links to licensing resources.
• Club Search Page - Find clubs in your area
• License Search - Look up other license holders in your area or search for your own call sign after passing your exam.
• Licensing Class - Find license classes in your area
• Exam Session Search - Locate upcoming exam sessions

Operating Resources

• ARRL Operating Manual - covers many ham radio operating topics
• Ham Radio for Dummies - your "desktop Elmer" covering operating and technical topics
• QST
• ARRL Bulletins - Bulletins on Extra news, DX, Propagation, satellite tracking information (Keplerian)
• W1AW - the ARRL's club station broadcasts bulletins and code practice all year long

Quick Reference Operating Aids

• Amateur Radio Spectrum Band Chart – includes recent revisions for Technician privileges
• Communication Procedures, ITU Phonetic Alphabet, RST System, UTC Time Conversion Chart

Popular Ham Radio Web Sites

• Yahoo! groups - enter "ham radio" into the Search window
• Yahoo group for new hams
• eham.net - Web portal with news, email lists, and classified ads
• QRZ.com - Web portal and call sign database
• Googlegroups - enter "ham radio" into the Search Groups window
• QSL.net - Numerous individual and club Web pages
• AC6V's Amateur Radio and DX Reference Guide - Glossaries, links, and files on all facets of Amateur Radio

Ham Radio Organizations

• AMSAT - largest amateur satellite organization
• Handi-ham - resource for disabled hams and ham students
• TAPR - sponsor and organizer of digital communications initiatives YLRL - activities of interest to female operators

Low Power Operating and Home Building Enthusiasts

• QRP Amateur Radio Club Int'l
• American QRP Club
• Ham Radio History - more information on how ham radio came to be the worldwide phenomenon it is today.

FCC and ITU Web Sites

• FCC Wireless Telecommunications Bureau
• FCC Universal Licensing System
• ITU

Additional Resources

• ARRL Publications - The ARRL is the largest publisher of books and materials for hams and about ham radio.
• Glossary
• List of Abbreviations

Math Tutorials

The mathematics needed for the Extra Class license exam is a bit more advanced than for the General and Technician licenses. To help you with “radio math,” a math supplement of on-line tutorials and articles is available.