• ARAS Canadian Callbook
  • BUCKMASTER Callsign server - US Foreign w/ grids lat/long.
  • CIS callsign database
  • Callbook Summary Today - new/changed FCC licenses.
  • Callsign server at UALR using FCC database (updated DAILY).
  • Guernsey Amateur Radio Callbook
  • One-by-One callsign database
  • QSL Info - over 43000 QSL Managers/Direct addresses
  • SARL South African Callbook
  • "The SOURCE" for QSL Manager Routes
  • AmSoft World of Ham Radio
  • Belgian ON-line Callbook
  • Canada - BG8SP`S ham radio world
  • Canada - Chinese Ham Radio Link
  • DB0SDX QSL Databases
  • DB0SDX QSL database
  • ES callbook (Estonia)
  • ES-Callbook Online (Up-To-Date)
  • Europe - YO Ham Callbook
  • Finland
  • Finnish Callbook 1997
  • LX Callbook
  • Pacific - ORARI WWW Callbook
  • QRZ Home Page
  • QSL information by IK4LZH
  • Russian QSL Information
  • SM5ARL QSL information
  • South Carolina - RoseWood Company - Amateur Radio Books
  • WM7D's Callsign Database