AB4Q
Active2x1District 4
Competitive callsign — 1 application filed with the FCC.
License HolderDiaz Silveira, Carlos F
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMiami, FL
Grant DateApr 8, 2025
Expiration DateApr 26, 2035
AB4Q is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Diaz Silveira, Carlos F in Miami, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Thompson, Ed N on Apr 9, 2007. AB4Q has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -... ....- --.-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Alpha Bravo Four Quebec
Readability: 8.5/10(High readability)
License History
- License RenewedApr 8, 2025
- License RenewedFeb 10, 2015
- Administrative Update AppliedJun 8, 2010
- License RenewedJan 27, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Thompson, Ed NFiled Apr 9, 2007DismissedFCC ↗