KR4NUO
Active2x3District 4
No competing applications on record.
License HolderSimpson, Derek I
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationGreenland, NH
Grant DateJul 17, 2026
Expiration DateJul 17, 2036
KR4NUO is a 2x3 format amateur radio callsign. It is currently registered to Simpson, Derek I in Greenland, NH. 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: 37 units(Moderate)
Voice Phonetics
Kilo Romeo Four November Uniform Oscar
Readability: 6/10(Good readability)
License History
- License ModifiedJul 31, 2026
- License ModifiedJul 22, 2026
- System-Generated GrantJul 17, 2026
- License IssuedJul 17, 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.