NM4S
Active2x1District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSOPRANO, MARTIN B
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHUNTSVILLE, AL
Grant DateAug 19, 2017
Expiration DateNov 9, 2027
NM4S is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by SOPRANO, MARTIN B in HUNTSVILLE, AL. 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 Simonson, David R on Oct 22, 2007. NM4S has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -- ....- ...
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
November Mike Four Sierra
Readability: 8/10(High readability)
License History
- Administrative Update AppliedMar 8, 2022
- License RenewedAug 19, 2017
- Administrative Update AppliedJan 10, 2009
- Vanity Callsign GrantedNov 9, 2007
- License IssuedNov 9, 2007
- License CanceledJul 31, 2007
- License RenewedSep 20, 2006
- FRN Association Letter SentSep 20, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.