KM4MRN
Active2x3District 4
No competing applications on record.
License HolderUnderwood, Derek J
License ClassGeneral
Min. Class RequiredTechnician
LocationCullman, AL
Grant DateMay 28, 2025
Expiration DateAug 18, 2035
KM4MRN is a 2x3 format amateur radio callsign. It is currently registered to Underwood, Derek J in Cullman, 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: 35 units(Moderate)
Voice Phonetics
Kilo Mike Four Mike Romeo November
Readability: 7.5/10(High readability)
License History
- License RenewedMay 28, 2025
- License ModifiedAug 23, 2016
- Administrative Update AppliedAug 19, 2016
- System-Generated GrantAug 18, 2015
- License IssuedAug 18, 2015
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.