W4IU
Active1x2District 4
Competitive callsign — 36 applications filed with the FCC.
License HolderESSERINE, SCOTT A
License ClassGeneral
Min. Class RequiredAmateur Extra
LocationFRISCO, TX
Grant DateAug 3, 2018
Expiration DateAug 3, 2028
W4IU is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by ESSERINE, SCOTT A in FRISCO, TX. This callsign has attracted significant interest in the amateur radio community, with 36 vanity applications filed with the FCC. The most recent was submitted by Liphardt Jr, John F on Nov 5, 2018. W4IU has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .. ..-
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
Whiskey Four India Uniform
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 20, 2026
- Administrative Update AppliedMar 1, 2022
- License IssuedAug 3, 2018
- Vanity Callsign GrantedAug 3, 2018
- Internal Correction AppliedJun 14, 2018
- Internal Correction AppliedJun 14, 2018
- Administrative Update AppliedJul 31, 2008
- License RenewedAug 16, 2006
- Administrative Update AppliedMar 5, 2004
- Administrative Update AppliedDec 10, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.