Near Vertical Incidence Skywave, better known as NVIS, is a technique that allows you to use HF transceivers for highly reliable short-range communication. Find out more with this attractive presentation.
Special Event Stations, DXCC Program, Operating Resources, Awards, QSL Service, Operating Specialties, Contests, Logbook of the World, Amateur Code, W1AW, Centennial QSO Party, International Operating
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, NTS, ARES, Served Agencies and Partners
ARRL References, ARRL Lab, Radio Technology Topics, Radio Frequency Interference (RFI), Tech Portal
Volunteer Opportunities, Youth, Hamfests and Conventions Calendar, Recruiting & Outreach, The ARRL Foundation, Clubs, Donate to ARRL
ARRL Publication Dealers, ARRL Store, List all Products, Periodicals, Customer Service/Support, Shipping, Product Notes
Organization Structure, Media and Public Relations, Privacy Policy, ARRL Social Media, Copyright, Visit Us, Site Index, General Information, Employment Opportunities, Centennial, Advertising and Other Business Opportunities, ARRL HQ Tours, Library, Contact ARRL
ARRL, the national association for Amateur Radio
225 Main Street
Newington, CT, 06111-1494 USA
Tel:1-860-594-0200 Fax:1-860-594-0259
hq@arrl.org
Contact ARRL