KM4UMO
Active2x3District 4
No competing applications on record.
License HolderSikora, Julieann H
License ClassTechnician
Min. Class RequiredTechnician
LocationSylmar, CA
Grant DateApr 9, 2026
Expiration DateJun 9, 2036
KM4UMO is a 2x3 format amateur radio callsign. It is currently registered to Sikora, Julieann H in Sylmar, 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.