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Discover all the amazing things you can do with Arduino!
The quick, easy way to leap into the fascinating world of physical computing!
Embrace the exciting new technology of Raspberry Pi!
Join the Raspberry revolution with these fun and easy Pi projects.
An introduction to the revolutionary small computer. Ideal for those switching on their Pi for the first time.
Tune in to the world of personal radio communications and scanners! Covers ham radio, CBs, aviation, marine radios, scanners and more.
Make something fascinating of electronics! Learn basic concepts and get going with projects from simple circuits to robots.
Fun with homemade tubes, transistors, and more.
Reference information and designs for the microwave experimenter. Published by RSGB and ARRL.
A guide to success on the bands below 1MHz.
A platform for exchanging the latest technical ideas. Published bimonthly by ARRL. Subscribe Today!
THE guide to theory and practice in the VHF and UHF bands
Now you can work the world with low power!
A clear, step-by-step approach to practical uses of discrete-signal analysis and design, especially for communications and radio engineers.
The most comprehensive book on electromagnetic compatibility, including all the latest advances and developments in the field.
Special Event Stations, DXCC Program, QSL Service, Operating Specialties, W100AW & W1AW QSLs via Bureau, Amateur Code, Contests, Operating Resources, Awards, International Operating, W1AW, Logbook of the World, NPOTA, Centennial QSO Party
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, Volunteer Examiners, College Students and Educators, Amateur Radio in the Classroom, What is Ham Radio, License Certificates, Get on the Air
Member Directory, myARRL, Membership Certificate, Member Discounts, Blind Membership, Member Support, Dues Increase FAQ, Membership Levels, Join ARRL/Renew Membership
State and Local, Technical Relations Office, Volunteer Consulting Engineer Program, Volunteer Counsel Program, Antenna Regulation and Zoning, CCR Study Information, International, Federal RFI Preemption, Federal
NTS Manual, Ham Aid, Public Service Resources, ARES, NTS, Public Service Honor Roll, Served Agencies and Partners
ARRL References, Radio Technology Topics, ARRL Lab, Radio Frequency Interference (RFI), Tech Portal
Volunteer Opportunities, Youth, Recruiting & Outreach, The ARRL Foundation, Hamfests and Conventions Calendar, Donate to ARRL, Clubs
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Return Policy, Product Notes, Customer Service/Support, Shipping
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA