KC3RUO
Active2x3District 3
No competing applications on record.
License HolderADAIR, RUDOLPH D
License ClassTechnician
Min. Class RequiredTechnician
LocationTucson, AZ
Grant DateApr 5, 2021
Expiration DateApr 5, 2031
KC3RUO is a 2x3 format amateur radio callsign. It is currently registered to ADAIR, RUDOLPH D in Tucson, AZ. 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: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Three Romeo Uniform Oscar
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJul 30, 2025
- License ModifiedMar 7, 2022
- System-Generated GrantApr 5, 2021
- License IssuedApr 5, 2021
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.