US available callsigns - Resource Detail - The DXZone.com
Ham Radio Deluxe User Guide: Logbook | Callsign Lookup : Ham Radio Deluxe Customer Support
MixW Macros for Weather data & callsign lookup/DxAtlas | Amateur Radio Weblog by Philip G0ISW
How to Find Your Ham Radio Call Sign - dummies
WCS Ham Call Lookup Software | Walker Consulting Solutions
HamCall World-Wide Callsign Database
EA9KB - Callsign Lookup by QRZ Ham Radio
GB70W - Callsign Lookup by QRZ Ham Radio
Ham Radio Deluxe User Guide: Logbook | Bulk Callsign Lookup : Ham Radio Deluxe Customer Support
DL8UI - Callsign Lookup by QRZ Ham Radio HD wallpaper | Pxfuel
M6EKM - Callsign Lookup by QRZ Ham Radio
Ham Radio Deluxe User Guide: Logbook | Bulk Callsign Lookup : Ham Radio Deluxe Customer Support
Amateur Radio Call Log:Amazon.com:Appstore for Android
Quick Amateur Radio Prefix Lookup Software
KD2NDF - Callsign Lookup by QRZ Ham Radio
Callsign Database - QRZ.com
Call Sign LookUp
OT7L - Callsign Lookup by QRZ Ham Radio
GitHub - miaowware/callsignlookuptools: An API interface for various ham radio callsign lookup sites in Python, including QRZ and callook.info
callsign - How to programmatically distinguish European from non European call sign? - Amateur Radio Stack Exchange
File:US Amateur callsign regions.svg - Wikimedia Commons
How to Find Old Amateur Radio Call Signs
4 Ways to Look Up Amateur Radio Call Signs - YouTube
Onl (onl3647) - Profile | Pinterest
N3FJP's Amateur Radio Software
