Call signs in the United States - Wikipedia
Ham Radio Maps : Ham radio maps, prefix maps, world maps
Amateur Radio Maps
eHamRadio - USA Ham Radio Callsigns and General Population
Amateur Ham Radio Custom Call Sign License Plate, Car Tag, Novelty Plate | eBay
eHamRadio - Amateur Radio (Ham Radio) Callsign Regions
Tourist Ham Radio in Italy - IW5EDI Simone - Ham-Radio
Amateur Radio Prefixes
Call Sign Variations | NewHams.info
Mexican states and XE call-sign areas
HOTARC Ham Radio Links
Ham Maps
File:Japan callsign areas.svg - Wikimedia Commons
W1AWX - Callsign Lookup by QRZ Ham Radio
Callsigns
File:US Amateur callsign regions.svg - Wikimedia Commons
Call signs in the United Kingdom - Wikipedia
Amateur Radio Prefix Map of North America
N5DUX's US Call Area Map
Ham Radio - Call sign piracy. It's happened to me. - YouTube
Radio Club Petitions FCC To Fix Call Area Confusion - The KØNR Radio Site
Ham Radio Call Signs – Ham Radio Prep
AE7Q's Amateur Radio Database Query Tools
Amateur Radio Call Signs - SARCNET
The Korean Amateur Radio League
