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Essential knowledge and safety for all tower climbers.
This book remains the definitive text on the subject of transmission line transformers for high frequencies.
Radio Direction Finding Simplified
Tune in to the world of personal radio communications and scanners! Covers ham radio, CBs, aviation, marine radios, scanners and more.
Over 220 pages of facts, techniques, hardware and lots of answers to your tower construction questions.
Incorporates a variety of fun and engaging experiments using motion, light, and sound.
Examine the early history of radio and electricity in this marvelous collection. Over 600 photographs!
Practical lessons and approaches in radio receiver design for wireless communication systems.
A story about ham radio operators and others who helped ease worries during a time of war.
This easy-to-understand book is your hands-on guide to enjoying the fascinating world of HF communications.
Special Event Stations, DXCC Program, Operating Resources, Awards, International Operating, QSL Service, Operating Specialties, Contests, W1AW, Centennial QSO Party, Logbook of the World
FCC License Info and Forms, Volunteer Instructors/Mentors, College Students and Educators, Courses & Training, Getting Licensed, Amateur Radio in the Classroom, Volunteer Examiners, What is Ham Radio, Get on the Air
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
Served Agencies and Partners, Public Service Honor Roll, ARES, Ham Aid, NTS, Public Service Resources
ARRL References, ARRL Lab, Radio Technology Topics, Radio Frequency Interference (RFI)
Donate to ARRL, Volunteer Opportunities, Recruiting & Outreach, The ARRL Foundation, Youth, Clubs, Hamfests and Conventions Calendar
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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