KM4OO
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMoore, Ronald S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDewitt, MI
Grant DateMar 24, 2020
Expiration DateMar 24, 2030
KM4OO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Moore, Ronald S in Dewitt, MI. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Moore, Ronald S on Mar 6, 2020. KM4OO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- --- ---
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Mike Four Oscar Oscar
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedDec 9, 2025
- License IssuedMar 24, 2020
- Vanity Callsign GrantedMar 24, 2020
- License ExpiredAug 1, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Moore, Ronald SFiled Mar 6, 2020Not awardedFCC ↗