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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, Operating Specialties, W100AW & W1AW QSLs via Bureau, Amateur Code, Contests, Operating Resources, Awards, W1AW, QSL Service, Centennial QSO Party, NPOTA, Logbook of the World
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, Volunteer Examiners, What is Ham Radio, Get on the Air, License Certificates, College Students and Educators, Amateur Radio in the Classroom
Member Directory, myARRL, Membership Certificate, Blind Membership, Dues Increase FAQ, Join ARRL/Renew Membership, Member Discounts, member feedback, Member Support, Membership Levels
State and Local, Volunteer Consulting Engineer Program, Volunteer Counsel Program, Antenna Regulation and Zoning, CCR Study Information, International, Federal RFI Preemption, Technical Relations Office, Federal
NTS Manual, Ham Aid, Public Service Resources, ARES, Public Service Honor Roll, SKYWARN Recognition Day, Served Agencies and Partners, NTS
ARRL References, Radio Technology Topics, ARRL Lab, Tech Portal, Tech Tips, Radio Frequency Interference (RFI)
Volunteer Opportunities, Hamfests and Conventions Calendar, Recruiting & Outreach, Clubs, The ARRL Foundation, Donate to ARRL, Youth
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Shipping, Return Policy, Customer Service/Support, Product Notes
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA