KM4STM
Expired2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSTM Radio Club
Min. Class RequiredTechnician
LocationArlington, VA
Grant DateDec 12, 2014
Expiration DateDec 12, 2024
Available for ApplicationsDec 13, 2026
KM4STM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by STM Radio Club in Arlington, VA. 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 STM Radio Club on Nov 24, 2014. KM4STM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- ... - --
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Mike Four Sierra Tango Mike
Readability: 8/10(High readability)
Available Dec 13, 2026 (91 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License IssuedDec 12, 2014
- Vanity Callsign GrantedDec 12, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- STM Radio ClubFiled Nov 24, 2014Not awardedFCC ↗