KK4ISF
Available2x3District 4
No competing applications on record.
License HolderSilva, Frank A
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMiami, FL
Grant DateFeb 24, 2022
Expiration DateApr 20, 2032
Cancellation DateMar 29, 2024
Available for ApplicationsMar 30, 2026
KK4ISF is a 2x3 format amateur radio callsign. It is currently registered to Silva, Frank A in Miami, FL. 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 Kilo Four India Sierra Foxtrot
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMar 29, 2024
- License ModifiedMar 8, 2024
- License ModifiedNov 14, 2023
- License RenewedFeb 24, 2022
- Administrative Update AppliedJul 13, 2021
- System-Generated GrantApr 20, 2012
- License IssuedApr 20, 2012
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.