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Practical projects, design and construction ideas for UHF and Microwave Experimenters.
Over 1,600,000 licensed amateurs! Includes International and North American listings and prefix maps.
The ultimate reference on the Enigma!
A complete source of information for all those interested in telegraph keys from beginner to avid collector.
Over 40,000 entries cover all broadcast and utility stations on shortwave. Hundreds of new digital data decoder screenshots!
More than 40,000 entries cover all broadcast and utility stations on shortwave. Hundreds of fascinating new digital data decoder screenshots!
A popular Windows-based satellite tracking program, used by thousands of hams.
Latest US & International call sign listings. CD-ROM.
Enjoy back issues of Ham Radio magazine, published from 1968 to 1976.
Enjoy back issues of Ham Radio magazine, published from 1968 to 1990.
Special Event Stations, DXCC Program, Operating Resources, Awards, International Operating, QSL Service, Operating Specialties, Contests, W1AW, Amateur Code, Centennial QSO Party, Logbook of the World
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, What is Ham Radio, Volunteer Examiners, College Students and Educators, Get on the Air, Amateur Radio in the Classroom
Join ARRL/Renew Membership, Member Directory, myARRL, Membership Certificate, Membership Levels, Member Support, Member Discounts
Federal, State and Local, Technical Relations Office, Volunteer Consulting Engineer Program, Volunteer Counsel Program, Antenna Regulation and Zoning, CCR Study Information, International, Federal RFI Preemption
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)
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, Shipping, Product Notes, Customer Service/Support
ARRL, the national association for Amateur Radio
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Newington, CT, 06111-1494 USA