N4MSM
Available1x3District 4
Competitive callsign — 8 applications filed with the FCC.
License HolderWILLIAMS, JIM C
License ClassGeneral
Min. Class RequiredGeneral
LocationBIRMINGHAM, AL
Grant DateJun 29, 2000
Expiration DateJul 3, 2010
Cancellation DateJul 4, 2012
Available for ApplicationsJul 4, 2012
N4MSM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WILLIAMS, JIM C in BIRMINGHAM, AL. 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 Mooney, Michael S on Aug 5, 2025. N4MSM has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -- ... --
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Four Mike Sierra Mike
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 4, 2012
- License ModifiedJun 29, 2000
- License RenewedJun 29, 2000
- License ModifiedJun 28, 2000
- License ModifiedJun 15, 2000
- License ModifiedJun 14, 2000
- License ModifiedJun 9, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.