KF4DAO
Active2x3District 4
No competing applications on record.
License HolderKOSTELC, CONSTANCE P
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationPONTIAC, IL
Grant DateNov 20, 2025
Expiration DateAug 31, 2035
KF4DAO is a 2x3 format amateur radio callsign. It is currently registered to KOSTELC, CONSTANCE P in PONTIAC, IL. 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: 38 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Delta Alpha Oscar
Readability: 7.5/10(High readability)
License History
- License RenewedNov 20, 2025
- Administrative Update AppliedFeb 28, 2023
- License RenewedAug 20, 2015
- Administrative Update AppliedAug 7, 2010
- Administrative Update AppliedDec 15, 2009
- License RenewedAug 30, 2005
- Tax ID (TIN) AddedMar 28, 2003
- License ModifiedMar 28, 2003
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.