K4FZU
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderPERRETT, RONALD L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationVALRICO, FL
Grant DateNov 19, 2025
Expiration DateJan 24, 2036
K4FZU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PERRETT, RONALD L in VALRICO, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Patterson, Douglas L on Jan 6, 2006. K4FZU has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..-. --.. ..-
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Foxtrot Zulu Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedNov 19, 2025
- License RenewedNov 3, 2015
- License IssuedJan 24, 2006
- Vanity Callsign GrantedJan 24, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.