K3MDH
Active1x3District 3
Competitive callsign — 8 applications filed with the FCC.
License HolderHOFIUS, MACKENZIE D
License ClassTechnician
Min. Class RequiredGeneral
LocationClearwater, FL
Grant DateDec 4, 2018
Expiration DateJan 3, 2029
K3MDH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HOFIUS, MACKENZIE D in Clearwater, FL. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Hess, Michael D on Jan 29, 2026. K3MDH has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- -- -.. ....
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Three Mike Delta Hotel
Readability: 8.5/10(High readability)
License History
- License RenewedDec 4, 2018
- Administrative Update AppliedApr 19, 2018
- License IssuedJan 3, 2009
- Vanity Callsign GrantedJan 3, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.