KM4MSS
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSmith, Matthew S
License ClassTechnician
Min. Class RequiredTechnician
LocationGreenwood, SC
Grant DateJul 8, 2014
Expiration DateJul 8, 2024
Cancellation DateJul 9, 2026
Available for ApplicationsJul 9, 2026
KM4MSS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Smith, Matthew S in Greenwood, SC. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Smith, Matthew S on Jun 20, 2014. KM4MSS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- -- ... ...
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Mike Four Mike Sierra Sierra
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJul 9, 2026
- Administrative Update AppliedApr 29, 2017
- Administrative Update AppliedJul 6, 2016
- License IssuedJul 8, 2014
- Vanity Callsign GrantedJul 8, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Smith, Matthew SFiled Jun 20, 2014Not awardedFCC ↗