Edwin H. Armstrong
- A collection of interesting Armstrong documents and artifacts related to radio.
- http://users.erols.com/oldradio/

Canada Amateur Radio News
- Online resource for Canadian Amateur Radio. Features include a weekly bulletin, frequency lists, net information, free software and links.
- http://www.hfradio.net

38K4 Receiver Requirements
- Paper describing the requirements of the 38K4 receiver and demodulator.
- http://www.ee.surrey.ac.uk/SSC/CSER/UOSAT/amateur/38k4_receiver_paper.html

Amateur Radio Directory
- Italian/European directory devoted to the radio amateur activities, selected by categories. [Italian - English]
- http://www.radioamateur.eu/

N9KT - Amateur Radio Freeware and Interface Reviews
- Reviews of the freeware and shareware for antenna modeling, contesting, logging, propagation, PSK31, remote control, and SSTV. Also reviews computer to radio interfaces.
- http://n9kt.home.comcast.net

K8ZT
- Wide variety of resources for QRP, DXing, contesting and software, and links to ARRL QRP community.
- http://www.k8zt.com

Radio-DIY
- Information regarding radios and DIY (do it yourself).
- http://homepage3.nifty.com/radio-diy_info/

VHF/UHF Resources
- Propagation indicators, software, plus satellite, meteor scatter, aurora technical resources.
- http://www.qsl.net/g0isw/

HamPage.com
- Categorized links to HAM radio resources.
- http://www.hampage.com/

N6AQ.com
- Public interactive HAM radio forum features discussion groups, technical information, downloads, links and more. [registration may be required]
- http://www.n6aq.com/

Amateur Radio and DX Reference Guide
- 700 Amateur Radio topics, 6,000 links, 132 pages on subjects from antennas to zones.
- http://ac6v.com/

National Radio Data.com
- Ham operator searchable databases, scanner frequencies for United States and Canada, DX searches, worldwide aviation frequencies and civil aviation registry.
- http://www.nationalradiodata.com/

N4UJW Ham Universe
- Don presents 'Ham Universe' A wealth of in-depth amateur radio information for both novice and veterans.
- http://www.hamuniverse.com/

Ham Radio For Kids
- Ham Radio for kids, designed by a kid for kids. Featuring practice exams, message forums, and upcoming events for kids.
- http://kidshamradio.com/

Microwave Directory
- SSB & CW amateur radio operators in the bands 1GHZ and above. Registration required.
- http://www.czd.org.uk/radio/uwd

QSL and Flag Gallery
- Most nations are represented via QSL and a photo of their representative flags.
- http://www.qsl.net/sv2ael/sv2ael.files/qsls_flags/qsl_flags1.htm

Radioing
- Traditional Ham Radio from the basics to the technical attributes. Features a virtual ham shack, classic radios, virtual ham tools, operating aids, exams, CW, trading post, and NASA links.
- http://www.radioing.com/

Hamradio.ca
- General information for Canadian radio amateurs including a callsign search with data provided by the Industry Canada T.A.F.L. Database and links to a variety of useful sites.
- http://www.hamradio.ca/

Electronic Circuit Radio Schematic and World DX Database
- VE3XRM offers a DX database, and electronic circuit library.
- http://www.radiosparks.com

Amateur and other Radio Hobbyist Links
- A variety of links for the radio amateur, shortwave listener or other radio hobbyist.
- http://www.fredco.net/radio

Youth Tech Ham Radio Pages For Teens
- Aimed at young amateurs. Features amateur radio history, testing help, and a weekly chat.
- http://www.youthtech.com/hamradio

Ham Radio Resources
- Tutorials, chat, message board, and links.
- http://www.flashwebhost.com/home/

VK4DX International Contest Calendar
- International, Australian and US contest dates, rules and contest software listing with pricing information.
- http://www.qsl.net/vk4dx

Puget Sound Area FCC Line A Regulations, Interpreted
- How this FCC rule affects ham radio in N.W. Washington State.
- http://www.nwlink.com/~evenfall/radio_studies/line_a.html

Queen Mary Amateur Web Site
- The Queen Mary amateur radio site covering many facets of amateur radio.
- http://www.mpicomputers.com/ham/queen

NATO Phonetic Alphabet
- An easy to use version of the NATO phonetic alphabet widely used in radio, telephone and military communications.
- http://www.dynamoo.com/technical/phonetic.htm

Ham Radio Directory and Reference
- Ham radio site covering almost every aspect of amateur radio including antennas, exams, and modifications.
- http://www.ku4ay.net/

VA3RJ Amateur Radio Resources
- Site offering a wide variety of useful information and links for the amateur radio enthusiast.
- http://www.qsl.net/va3rj/

Amateur Radio Resources
- Links to useful resources for the radio amateur courtesy of the North Berkshire Amateur Radio Club.
- http://www.njdxa.org/hamlinks.shtml

Amateur Radio Design Tutorial
- Offering tutorials on the design and construction of amateur radio and electronic hobbyist projects and equipment.
- http://www.integritynet.com.au/~purdic

N6GN Microwave Link Page
- Updated information about the Multi-Megabit/sec Microwave Data Link article which was first published in the December 1989 edition of Ham Radio Magazine.
- http://www.sonic.net/~n6gn/uwavelink/uwv.html

FCC ARS Statistics
- Analysis of FCC Amateur Radio statistics.
- http://www.speroni.com/FCC

K1DWU Dot Net
- Collection of nearly 3,500 links to ham radio sites around the world. Includes news and classifieds.
- http://www.k1dwu.net/