KU1J
Available2x1District 1
Competitive callsign — 17 applications filed with the FCC.
License HolderKINOSHITA, SHIROW
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationLEBANON, CT
Grant DateMar 18, 2014
Expiration DateMay 4, 2024
Cancellation DateMay 5, 2026
Available for ApplicationsMay 5, 2026
KU1J is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by KINOSHITA, SHIROW in LEBANON, CT. This callsign has attracted significant interest in the amateur radio community, with 17 vanity applications filed with the FCC. The most recent was submitted by Wengierko, Alon on Sep 10, 2026. KU1J has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..- .---- .---
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Uniform One Juliet
Readability: 7.5/10(High readability)
This callsign is available now
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License ExpiredMay 5, 2026
- Administrative Update AppliedAug 8, 2014
- License RenewedMar 18, 2014
- Administrative Update AppliedFeb 14, 2012
- Administrative Update AppliedJun 2, 2010
- Administrative Update AppliedNov 28, 2009
- Administrative Update AppliedMar 22, 2007
- Administrative Update AppliedJan 4, 2005
- License IssuedMay 4, 2004
- Vanity Callsign GrantedMay 4, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.