KO6MZO
Active2x3District 6
No competing applications on record.
License HolderCostilla, Cecilio S
License ClassTechnician
Min. Class RequiredTechnician
LocationStockton, CA
Grant DateMar 27, 2026
Expiration DateMar 27, 2036
KO6MZO is a 2x3 format amateur radio callsign. It is currently registered to Costilla, Cecilio S in Stockton, 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: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Six Mike Zulu Oscar
Readability: 8/10(High readability)
License History
- System-Generated GrantMar 27, 2026
- License IssuedMar 27, 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.