W4MMD
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCRITCHFIELD, STEVEN S
License ClassTechnician
Min. Class RequiredGeneral
LocationANTIOCH, TN
Grant DateApr 26, 2018
Expiration DateMay 6, 2028
W4MMD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CRITCHFIELD, STEVEN S in ANTIOCH, TN. 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 Dunn, Matthew M on Apr 17, 2008. W4MMD has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- -- -..
CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Four Mike Mike Delta
Readability: 9/10(Excellent readability)
License History
- Administrative Update AppliedSep 19, 2025
- License RenewedApr 26, 2018
- Administrative Update AppliedSep 1, 2015
- License IssuedMay 6, 2008
- Vanity Callsign GrantedMay 6, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.