- HamCall World-Wide Database
- HamCall World-Wide Database
- W9LRT - Callsign
- File:US Amateur regions.svg - Commons
- Amateur Vanity License Search
- Call LookUp
- Amateur Radio Call Log:Amazon.com:Appstore Android
- EA9KB Callsign Lookup by Ham Radio
- Search on the App
- callsign - How to programmatically European from non European call sign? - Amateur Radio Stack Exchange
- Canadian Amateur Radio Database - Resource - The DXZone.com
- Amateur Radio Call Log - Detail - DXZone.com
- Database -
- GB70W Callsign by QRZ Ham Radio
- the DMR ID/Callsign BridgeCom Systems
- How to Find Amateur Call Signs
- to Find Your Radio Call -
- Ham Radio QRP: Callsign lookup when portable
- OT7L - Callsign Lookup QRZ Ham Radio
- Ham Radio Deluxe User Logbook | Bulk Callsign Lookup : Ham Radio Support
- Ham Call | Raspberry Pi - YouTube
- Onl (onl3647) - |
- Ham Deluxe User Guide: | Callsign Lookup : Ham Radio Deluxe Customer Support