HamCall World-Wide Callsign Database
HamStart -- Amateur Radio (Ham Radio) Callsign Regions
UK Amateur Radio Callsigns & Licences » Electronics Notes
Composition of Call Signs - ppt download
Call Sign Variations | NewHams.info
Amateur Radio Call Signs
Ham Radio Call Signs – Ham Radio Prep
ITU Callsign Prefixes - Resource Detail - The DXZone.com
Amateur Radio Call Signs - SARCNET
Foreign Licenses Operating in U.S.
Demystifying Amateur Radio Callsigns | Hackaday
Allowable International Contacts with Ham Radio
Technician Licensing Class - ppt download
Who's that on the Radio? Creating Your Ham Identity – Icom America Inc.
Amateur Radio Maps
Call Sign: The Most Up-to-Date Encyclopedia, News, Review & Research
Ham Radio Call Sign Badges Amateur Radio HAM-1 - Etsy
Radio Club Petitions FCC To Fix Call Area Confusion - The KØNR Radio Site
Amateur Radio Call Signs - SARCNET
Mapping American Hams Here and There. 10 USA Call Districts.
Call Signs - Radio Amateurs of Canada
Amateur Radio Prefix Map of Europe
Ham Radio Call Signs – Ham Radio Prep
