KB4RF
Available2x2District 4
Competitive callsign — 10 applications filed with the FCC.
License HolderVazquez, Pedro O
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationORLANDO, FL
Grant DateApr 24, 2015
Expiration DateApr 24, 2025
Cancellation DateMay 12, 2015
Available for ApplicationsMay 13, 2017
KB4RF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Vazquez, Pedro O in ORLANDO, FL. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by Wallace, Robert F on Aug 20, 2025. KB4RF has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- .-. ..-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Bravo Four Romeo Foxtrot
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledMay 12, 2015
- License IssuedApr 24, 2015
- Vanity Callsign GrantedApr 24, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.