AC4FL
Available2x2District 4
Competitive callsign — 16 applications filed with the FCC.
License HolderCOLLIER D-STAR GROUP
Min. Class RequiredGeneral
LocationNAPLES, FL
Grant DateFeb 26, 2013
Expiration DateFeb 26, 2023
Cancellation DateFeb 27, 2025
Available for ApplicationsFeb 27, 2025
AC4FL is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by COLLIER D-STAR GROUP in NAPLES, FL. This callsign has attracted significant interest in the amateur radio community, with 16 vanity applications filed with the FCC. The most recent was submitted by CLARK, BRADLEY M on Dec 9, 2025. AC4FL has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. ....- ..-. .-..
CW Weight: 31 units(Moderate)
Voice Phonetics
Alpha Charlie Four Foxtrot Lima
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredFeb 27, 2025
- License IssuedFeb 26, 2013
- Vanity Callsign GrantedFeb 26, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.