KB9YOF
Active2x3District 9
No competing applications on record.
License HolderCaldwell Jr, Herbert W
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationDenver, CO
Grant DateJun 6, 2025
Expiration DateJun 20, 2035
KB9YOF is a 2x3 format amateur radio callsign. It is currently registered to Caldwell Jr, Herbert W in Denver, CO. 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: 51 units(Very heavy)
Voice Phonetics
Kilo Bravo Nine Yankee Oscar Foxtrot
Readability: 7.5/10(High readability)
License History
- License RenewedJun 6, 2025
- License RenewedJun 16, 2015
- License RenewedMar 29, 2005
- Administrative Update AppliedJul 7, 2004
- License ModifiedFeb 6, 2002
- License IssuedDec 16, 2000
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.