AF0B
Active2x1District 0
Competitive callsign — 11 applications filed with the FCC.
License HolderAntoszewski, Steven J
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationBaltimore, MD
Grant DateMay 16, 2026
Expiration DateMay 16, 2036
AF0B is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Antoszewski, Steven J in Baltimore, MD. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by Blount, Elijah R on Apr 28, 2026. AF0B has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- ..-. ----- -...
CW Weight: 31 units(Moderate)
Voice Phonetics
Alpha Foxtrot Zero Bravo
Readability: 8/10(High readability)
License History
- License IssuedMay 16, 2026
- Vanity Callsign GrantedMay 16, 2026
- License ExpiredMar 6, 2026
- License RenewedNov 8, 2013
- License RenewedJan 10, 2004
- License RenewedJan 10, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.