KU4AO
Active2x2District 4
No competing applications on record.
License HolderCALDER, DAVID O
License ClassTechnician
Min. Class RequiredGeneral
LocationMISSION VIEJO, CA
Grant DateSep 21, 2020
Expiration DateNov 6, 2030
KU4AO is a 2x2 format amateur radio callsign. It is currently registered to CALDER, DAVID O in MISSION VIEJO, CA. 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: 32 units(Moderate)
Voice Phonetics
Kilo Uniform Four Alpha Oscar
Readability: 7.5/10(High readability)
License History
- License RenewedSep 21, 2020
- License RenewedAug 19, 2010
- Administrative Update AppliedNov 28, 2006
- License RenewedAug 11, 2000
- License ModifiedJun 22, 2000
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.