W4SOM
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSomburanasin, Rongrach
License ClassTechnician
Min. Class RequiredGeneral
LocationCharlotte, NC
Grant DateFeb 29, 2020
Expiration DateFeb 28, 2030
W4SOM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Somburanasin, Rongrach in Charlotte, NC. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Ohno, Tsutomu on Feb 11, 2026. W4SOM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Sierra Oscar Mike
Readability: 8/10(High readability)
License History
- License IssuedFeb 29, 2020
- Vanity Callsign GrantedFeb 29, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.