1 X 1 Special Event Calls
- A Special Event Call Sign is an amateur station call sign with a one-by-one call sign format that may be reserved for assignment to stations operating in conjunction with these short-term events.
AE7Q Amateur Radio Database Query Tools
- Lookup callsign histories & applications, available Amateur Extra callsigns, vanity callsign predictions, and more. Updated from FCC data several times a day.
RadioQTH - Ham radio vanity license search
- RadioQTH Amateur Radio Vanity License Search: This site shows vanity call sign requests filed with the FCC, when call signs will be available for vanity applications and other useful tools that will help in the search for the perfect amateur radio vanity call sign.
Shortest Vanity Callsigns
- This is a service for finding the shortest available vanity callsign in your amateur radio class. It filter through all possible callsigns and provide just the unused ones weighted by their length in morse code or their actual number of letters.
- Call sign systems vanity questions by FCC
- Online resource for vanity call signs