General
American Radio Relay League
http://arrl.com/
The National Association for Ham Radio. Learn how to get Licensed, Study the Test Questions, Print a Frequency Chart, and so much more.
FCC License Search
https://wireless2.fcc.gov/UlsApp/UlsSearch/searchLicense.jsp
Find your license and address or find other ham’s info by callsign.
Morse Code and Telegraph History
https://www.emissary.ai/telegraph-morse-code-text/
Telegraph history and learning Morse Code links.
QRZ
https://www.qrz.com/
More ham news & events, and private ham profiles.
Maps
DX Maps
https://www.dxmaps.com/spots/mapg.php
World Map showing signal propagation reports.
WSPR Map
http://wsprnet.org/drupal/wsprnet/map
Weak Signal Propagation Reporter.
Google APRS.FI
https://aprs.fi/
Maps of APRS hams and weather stations.
Live Starlink Satellite Globe
https://satellitemap.space
Live 3D globe map of Starlink, GPS, and OneWeb satellites.
Maximum Usable Frequency Map
https://prop.kc2g.com/
Near-realtime maps and data about ionospheric conditions.
DMR
RadioID
https://www.radioid.net/
Register and manage your DMR IDs with your Call Sign.
Pi-Star
https://www.pistar.uk/index.php
Hotspot software for Raspberry Pi with RF hats and DMR web links.
BrandMeister
https://brandmeister.network/
Worldwide servers and Talk Groups.
https://brandmeister.network/?page=talkgroups
BrandMeister Talk Group list.
DMR-MARC
https://www.dmr-marc.net/
Original USA based DMR network.
http://www.dmr-marc.net/FAQ/TG.html
DMR-MARC Talk Group list.
Suppliers
DX Engineering
https://www.dxengineering.com/
Premium Amateur Gear. 2 Locations.
GigaParts
https://www.gigaparts.com/
Amateur Gear, Computers, Gadgets. 2 Locations.
Ham Radio Outlet
https://www.hamradio.com/
Amateur Gear and Antennas. 12 Locations.