KR4KLF
Active2x3District 4
No competing applications on record.
License HolderKoeller, Robert
License ClassGeneral
Min. Class RequiredTechnician
LocationMountain Brk, AL
Grant DateMar 11, 2026
Expiration DateMar 11, 2036
KR4KLF is a 2x3 format amateur radio callsign. It is currently registered to Koeller, Robert in Mountain Brk, AL. 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: 38 units(Moderate)
Voice Phonetics
Kilo Romeo Four Kilo Lima Foxtrot
Readability: 7/10(Good readability)
License History
- License ModifiedMay 18, 2026
- System-Generated GrantMar 11, 2026
- License IssuedMar 11, 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.