KJ4UVK
Active2x3District 4
No competing applications on record.
License HolderKOSLOFSKY, JACOB D
License ClassGeneral
Min. Class RequiredTechnician
LocationRiverside, CA
Grant DateMar 13, 2020
Expiration DateMay 10, 2030
KJ4UVK is a 2x3 format amateur radio callsign. It is currently registered to KOSLOFSKY, JACOB D in Riverside, CA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- .--- ....- ..- ...- -.-
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Four Uniform Victor Kilo
Readability: 6.5/10(Good readability)
License History
- License ModifiedAug 22, 2025
- License RenewedMar 13, 2020
- Administrative Update AppliedSep 29, 2018
- System-Generated GrantMay 10, 2010
- License IssuedMay 10, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.