KO6ISF
Active2x3District 6
No competing applications on record.
License HolderCastro, Jose M
License ClassTechnician
Min. Class RequiredTechnician
LocationLos Angeles, CA
Grant DateApr 3, 2025
Expiration DateApr 3, 2035
KO6ISF is a 2x3 format amateur radio callsign. It is currently registered to Castro, Jose M in Los Angeles, 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: 34 units(Moderate)
Voice Phonetics
Kilo Oscar Six India Sierra Foxtrot
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantApr 3, 2025
- License IssuedApr 3, 2025
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.