KR4KK
Active2x2District 4
No competing applications on record.
License HolderLEER, JEFFREY J
License ClassAdvanced
Min. Class RequiredGeneral
LocationWATERLOO, IA
Grant DateAug 7, 2025
Expiration DateDec 21, 2033
KR4KK is a 2x2 format amateur radio callsign. It is currently registered to LEER, JEFFREY J in WATERLOO, IA. 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: 33 units(Moderate)
Voice Phonetics
Kilo Romeo Four Kilo Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedAug 7, 2025
- Administrative Update AppliedAug 7, 2025
- License RenewedSep 23, 2013
- Tax ID (TIN) AddedDec 9, 2003
- License RenewedDec 9, 2003
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.