KP4AOB
Active2x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderOTERO-BRACERO, ARTURO
License ClassGeneral
Min. Class RequiredTechnician
LocationBayamon, PR
Grant DateMay 27, 2026
Expiration DateMay 27, 2036
KP4AOB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by OTERO-BRACERO, ARTURO in Bayamon, PR. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by COLON, JOSE A on Apr 27, 2026. KP4AOB has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--. ....- .- --- -...
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Papa Four Alpha Oscar Bravo
Readability: 7.5/10(High readability)
License History
- License RenewedMay 27, 2026
- License RenewedJan 9, 2016
- Administrative Update AppliedApr 17, 2013
- License ModifiedOct 26, 2009
- License IssuedApr 7, 2006
- Vanity Callsign GrantedApr 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.