AC0SF
Active2x2District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderFORBES, SAMUEL
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSaint George, KS
Grant DateJul 16, 2021
Expiration DateJul 16, 2031
AC0SF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by FORBES, SAMUEL in Saint George, KS. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by FORBES, SAMUEL on Jun 28, 2021. AC0SF has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. ----- ... ..-.
CW Weight: 36 units(Moderate)
Voice Phonetics
Alpha Charlie Zero Sierra Foxtrot
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedNov 26, 2025
- License IssuedJul 16, 2021
- Vanity Callsign GrantedJul 16, 2021
- License CanceledJun 15, 2010
- System-Generated GrantMay 20, 2010
- License IssuedMay 20, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.