KN4RFF
Active2x3District 4
No competing applications on record.
License HolderGRASSO, JOSEPH F
License ClassTechnician
Min. Class RequiredTechnician
LocationTULSA, OK
Grant DateDec 18, 2018
Expiration DateDec 18, 2028
KN4RFF is a 2x3 format amateur radio callsign. It is currently registered to GRASSO, JOSEPH F in TULSA, OK. 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: 35 units(Moderate)
Voice Phonetics
Kilo November Four Romeo Foxtrot Foxtrot
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedApr 14, 2020
- System-Generated GrantDec 18, 2018
- License IssuedDec 18, 2018
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.