K4WMK
Available1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderKerber, William M
License ClassTechnician
Min. Class RequiredGeneral
LocationHarrison, TN
Grant DateMar 29, 2008
Expiration DateMar 29, 2018
Cancellation DateApr 20, 2012
Available for ApplicationsApr 21, 2014
K4WMK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kerber, William M in Harrison, TN. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Kelly, Michael D on Aug 22, 2025. K4WMK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-- -- -.-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Whiskey Mike Kilo
Readability: 8.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledApr 20, 2012
- Administrative Update AppliedMar 28, 2012
- License IssuedMar 29, 2008
- Vanity Callsign GrantedMar 29, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.