KP4ZU
Available2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderFernandez, Ruben
License ClassAdvanced
Min. Class RequiredGeneral
LocationSan Antonio, PR
Grant DateApr 24, 2014
Expiration DateJul 9, 2024
Cancellation DateJul 10, 2026
Available for ApplicationsJul 10, 2026
KP4ZU is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Fernandez, Ruben in San Antonio, 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 CORDERO, FRANCISCO on Nov 12, 2002. KP4ZU has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--. ....- --.. ..-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Papa Four Zulu Uniform
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 ExpiredJul 10, 2026
- License RenewedApr 24, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.