W4MSA
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMuir, Martha A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationStone Mountain, GA
Grant DateMar 1, 2023
Expiration DateMar 26, 2033
W4MSA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Muir, Martha A in Stone Mountain, GA. 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 ANDERS, MATTHEW S on Dec 3, 2025. W4MSA has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- ... .-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Four Mike Sierra Alpha
Readability: 8/10(High readability)
License History
- License RenewedMar 1, 2023
- License ModifiedJul 19, 2013
- License ModifiedJun 19, 2013
- License IssuedMar 26, 2013
- Vanity Callsign GrantedMar 26, 2013
- License ExpiredDec 3, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.