KM7OSO
Active2x3District 7
Competitive callsign — 1 application filed with the FCC.
License HolderThornton, Randolph W
License ClassTechnician
Min. Class RequiredTechnician
LocationTenino, WA
Grant DateAug 1, 2025
Expiration DateAug 1, 2035
KM7OSO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Thornton, Randolph W in Tenino, WA. 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 Thornton, Randolph W on Jul 14, 2025. KM7OSO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- --... --- ... ---
CW Weight: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Mike Seven Oscar Sierra Oscar
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedAug 7, 2025
- Administrative Update AppliedAug 7, 2025
- License IssuedAug 1, 2025
- Vanity Callsign GrantedAug 1, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Thornton, Randolph WFiled Jul 14, 2025Not awardedFCC ↗