AF4O
Active2x1District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSAUERZAPF, JOSEPH
License ClassGeneral
Min. Class RequiredAmateur Extra
LocationCHICAGO, IL
Grant DateMay 12, 2023
Expiration DateMay 12, 2033
AF4O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by SAUERZAPF, JOSEPH in CHICAGO, IL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by RILEY, THOMAS J on May 25, 2023. AF4O has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- ..-. ....- ---
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Alpha Foxtrot Four Oscar
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedMay 12, 2023
- License IssuedMay 12, 2023
- License CanceledApr 23, 2021
- License RenewedJul 6, 2012
- Vanity Callsign GrantedAug 16, 2002
- License IssuedAug 16, 2002
- License CanceledJul 28, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.