K4NFC
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderUNDERWOOD, FREDRIC C
License ClassGeneral
Min. Class RequiredGeneral
LocationDOTHAN, AL
Grant DateJan 21, 2026
Expiration DateJan 21, 2036
K4NFC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by UNDERWOOD, FREDRIC C in DOTHAN, AL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by UNDERWOOD, FREDRIC C on Jun 3, 2015. K4NFC has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -. ..-. -.-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four November Foxtrot Charlie
Readability: 7.5/10(High readability)
License History
- License RenewedJan 21, 2026
- License IssuedJun 23, 2015
- Vanity Callsign GrantedJun 23, 2015
- License ExpiredFeb 11, 2011
- Administrative Update AppliedFeb 16, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.