KR4OLK
Active2x3District 4
No competing applications on record.
License HolderHarlan, Mark
License ClassGeneral
Min. Class RequiredTechnician
LocationCutler Bay, FL
Grant DateAug 18, 2026
Expiration DateAug 18, 2036
KR4OLK is a 2x3 format amateur radio callsign. It is currently registered to Harlan, Mark in Cutler Bay, FL. 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: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Romeo Four Oscar Lima Kilo
Readability: 7/10(Good readability)
License History
- License ModifiedAug 20, 2026
- System-Generated GrantAug 18, 2026
- License IssuedAug 18, 2026
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.