AF3F
Active2x1District 3
Competitive callsign — 4 applications filed with the FCC.
License HolderCastro, Donovan
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationRiverbank, CA
Grant DateMay 9, 2026
Expiration DateMay 9, 2036
AF3F is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Castro, Donovan in Riverbank, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Shellenbarger, Anthony J on Apr 23, 2026. AF3F has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- ..-. ...-- ..-.
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Alpha Foxtrot Three Foxtrot
Readability: 8.5/10(High readability)
License History
- License IssuedMay 9, 2026
- Vanity Callsign GrantedMay 9, 2026
- License ExpiredApr 21, 2026
- License RenewedMar 27, 2014
- Tax ID (TIN) AddedMay 11, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.