K4CFD
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderDUDEY, CARL F
License ClassAdvanced
Min. Class RequiredGeneral
LocationLapeer, MI
Grant DateMar 19, 2019
Expiration DateApr 15, 2029
K4CFD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DUDEY, CARL F in Lapeer, MI. 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 Galloway, John C on Sep 29, 2025. K4CFD has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-. ..-. -..
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Charlie Foxtrot Delta
Readability: 8/10(High readability)
License History
- License RenewedMar 19, 2019
- License RenewedMar 10, 2009
- Administrative Update AppliedOct 10, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.