N4MDS
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderGrover, Dale L
License ClassTechnician
Min. Class RequiredGeneral
LocationAnn Arbor, MI
Grant DateApr 13, 2024
Expiration DateApr 13, 2034
N4MDS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Grover, Dale L in Ann Arbor, MI. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Smith, Marcus D on Mar 18, 2025. N4MDS has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -- -.. ...
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
November Four Mike Delta Sierra
Readability: 7.5/10(High readability)
License History
- Vanity Callsign GrantedApr 13, 2024
- License IssuedApr 13, 2024
- License ExpiredMay 8, 2021
- Administrative Update AppliedJul 30, 2013
- License RenewedMay 7, 2009
- Administrative Update AppliedNov 7, 2006
- License ModifiedMay 25, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.