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Explore the contributions of radio amateurs to the science of radio astronomy.
A must-have for all those who want to get the most out Amateur Radio mobile!
Learn how to model antennas with the free MMANA-GAL antenna modelling program, all on your PC.
A collection of popular antenna articles and experimentation from Radcom magazine.
Discover what can be achieved on the VHF, UHF, and microwave bands!
A fascinating look at the practical side of antennas. The comprehensive index allows the reader to access any specific subject.
Antenna solutions for your location!
An insight into the Amateur Radio uses for the home computer. Includes new material on Raspberry Pi.
Learn about the various types of noise radio operators experience, how noise is generated, and practical way to deal with it.
Outstanding articles from RSGB's Radio Communication covering all types of HF antennas.
Details the design and construction of hundreds of amateur antennas, including some unusual designs.
A collection of HF antennas, including horizontal, vertical and loop, plus traditional and new antenna designs.
Build projects using simple techniques with readily obtainable components. Perfect for those interested in home construction.
A collection of antenna designs from around the world--from 136 kHz to 1.3 GHz, receiving and transmitting, fixed and mobile designs.
A wealth of antennas covering 136 kHz to 2.4 GHz.
A compedium of QRP articles from around the world!
Special Event Stations, DXCC Program, QSL Service, Operating Specialties, W100AW & W1AW QSLs via Bureau, Amateur Code, Contests, Operating Resources, Awards, International Operating, W1AW, Logbook of the World, Centennial QSO Party, NPOTA
FCC License Info and Forms, Volunteer Instructors/Mentors, Courses & Training, Getting Licensed, Volunteer Examiners, Amateur Radio in the Classroom, What is Ham Radio, License Certificates, Get on the Air, College Students and Educators
Member Directory, myARRL, Membership Certificate, Member Discounts, Blind Membership, Member Support, Dues Increase FAQ, Join ARRL/Renew Membership, Membership Levels
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
NTS Manual, Ham Aid, Public Service Resources, ARES, NTS, Public Service Honor Roll, Served Agencies and Partners
ARRL References, Radio Technology Topics, ARRL Lab, Radio Frequency Interference (RFI), Tech Portal
Volunteer Opportunities, Youth, The ARRL Foundation, Hamfests and Conventions Calendar, Donate to ARRL, Recruiting & Outreach, Clubs
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Return Policy, Product Notes, Customer Service/Support, Shipping
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA