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A popular Windows-based satellite tracking program, used by thousands of hams.
A ham radio adventure book written to introduce young readers to the hobby.
The most complete source of information for all those interested in telegraph keys from beginner to avid collector.
A complete source of information for all those interested in telegraph keys from beginner to avid collector.
This book will prepare you for staying in touch post-disaster: technology, gear and planning.
All the information you need in one essential reference book. Embossed with ARRL’s logo on the cover!
An easy-to-follow, step-by-step design framework for a wide variety of power supplies.
Gain the knowledge and confidence you need to build and use power supplies. A must have for your bookshelf!
Design and build your own antennas! Provides clear answers to questions frequently asked by hobbyists and electronics technicians.
Gain a working knowledge of DSP applications, including communications and process control.
Special Event Stations, DXCC Program, Operating Resources, Awards, International Operating, QSL Service, Operating Specialties, Contests, Centennial QSO Party, Logbook of the World, Amateur Code, W1AW
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, What is Ham Radio, Volunteer Examiners, College Students and Educators, Amateur Radio in the Classroom, Get on the Air, License Certificates
Join ARRL/Renew Membership, Member Directory, myARRL, Membership Certificate, Membership Levels, Member Support, Member Discounts
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
Public Service Honor Roll, Ham Aid, Public Service Resources, ARES, Served Agencies and Partners, NTS
ARRL References, ARRL Lab, Radio Technology Topics, Radio Frequency Interference (RFI), Tech Portal
Volunteer Opportunities, Youth, Hamfests and Conventions Calendar, Donate to ARRL, Recruiting & Outreach, The ARRL Foundation, Clubs
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Customer Service/Support, Shipping, Product Notes
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA