W4ISZ
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHorner, Paul L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationPort Saint Lucie, FL
Grant DateFeb 12, 2026
Expiration DateMay 3, 2036
W4ISZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Horner, Paul L in Port Saint Lucie, 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 Horner, Paul L on Apr 13, 2016. W4ISZ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .. ... --..
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Four India Sierra Zulu
Readability: 7/10(Good readability)
License History
- License RenewedFeb 12, 2026
- License ModifiedNov 22, 2017
- License IssuedMay 3, 2016
- Vanity Callsign GrantedMay 3, 2016
- License ExpiredJul 20, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Horner, Paul LFiled Apr 13, 2016Not awardedFCC ↗