W4MDH
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderHazelrigg, Michael D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHindman, KY
Grant DateFeb 12, 2026
Expiration DateFeb 12, 2036
W4MDH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Hazelrigg, Michael D in Hindman, KY. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Hess, Michael D on Jan 29, 2026. W4MDH has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- -.. ....
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Mike Delta Hotel
Readability: 8.5/10(High readability)
License History
- License RenewedFeb 12, 2026
- License RenewedOct 27, 2015
- License ModifiedFeb 14, 2006
- Vanity Callsign GrantedJan 10, 2006
- License IssuedJan 10, 2006
- License CanceledMar 28, 2002
- License IssuedMar 13, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.