Ham Radio Deluxe User Guide: Logbook | Callsign Lookup : Ham Radio Deluxe Customer Support
Search the DMR ID/Callsign Database — BridgeCom Systems
HamCall(tm) DVD, USB, and Download
Master Callsign Database Editor - Resource Detail - The DXZone.com
QRZ Ham Radio Callsign Database Volume 6 : Free Download, Borrow, and Streaming : Internet Archive
QRZ Ham Radio Callsign Database Volume 13 : Free Download, Borrow, and Streaming : Internet Archive
AE7Q's Amateur Radio Database Query Tools
Lot of 5) SAM Amateur Radio Callsign Database '97 V 2.46, R.T. Systems, New | eBay
How to Find Old Amateur Radio Call Signs - Resource Detail - The DXZone.com
Lot of 5) SAM Amateur Radio Callsign Database '97 V 2.46, R.T. Systems, New | eBay
QRZ Ham Radio Callsign Database Volume 4 : Free Download, Borrow, and Streaming : Internet Archive
Callsign Search on the App Store
Callbook DB Support
SAM Amateur Radio 1991 Callsign Database RT SYSTEM 3.5 High Density 11-Diskettes | eBay
What to Do When Trial or Purchase Denied; Callsign Not Found : Ham Radio Deluxe Customer Support
Program that generates available 1x3 call signs from dictionary words : r/ amateurradio
W9LRT - FCC Callsign Database
HamCall World-Wide Callsign Database
GitHub - zebpalmer/pyQRZ: Python module to query QRZ's Ham Radio Callsign Database (via XML API)
How to Pick Your Own Ham Radio Call Sign - dummies
US available callsigns - Resource Detail - The DXZone.com
Lot of 5) SAM Amateur Radio Callsign Database '97 V 2.46, R.T. Systems, New | eBay
QRZ Ham Radio Callsign Database Volume 20 : Free Download, Borrow, and Streaming : Internet Archive
