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Designed to give hams a quick course in public relations activities.
CD-ROM. Learn all the ways to use digital technology as an emergency communications tool!
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.
Special Event Stations, DXCC Program, Operating Resources, Awards, International Operating, QSL Service, Operating Specialties, Contests, W1AW, Amateur Code, Centennial QSO Party
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, Volunteer Examiners, What is Ham Radio, Get on the Air, Amateur Radio in the Classroom, College Students and Educators
Join ARRL/Renew Membership, Member Directory, myARRL, Membership Certificate, Membership Levels, Member Discounts, Member Support
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, ARES, Ham Aid, Public Service Resources, Served Agencies and Partners, NTS
ARRL References, ARRL Lab, Radio Technology Topics, Radio Frequency Interference (RFI)
Donate to ARRL, Volunteer Opportunities, Recruiting & Outreach, The ARRL Foundation, Youth, Hamfests and Conventions Calendar, Clubs
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Shipping, Customer Service/Support, Product Notes
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA