KM4MSO
Active2x3District 4
No competing applications on record.
License HolderKroll, Marie A
License ClassGeneral
Min. Class RequiredTechnician
LocationMorehead, KY
Grant DateAug 7, 2025
Expiration DateAug 18, 2035
KM4MSO is a 2x3 format amateur radio callsign. It is currently registered to Kroll, Marie A in Morehead, KY. 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 Mike Four Mike Sierra Oscar
Readability: 8/10(High readability)
License History
- License RenewedAug 7, 2025
- License ModifiedJul 3, 2018
- Administrative Update AppliedJun 5, 2018
- 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.