K6OSU
Available1x3District 6
Competitive callsign — 3 applications filed with the FCC.
License HolderNOTT, RONALD A
License ClassGeneral
Min. Class RequiredGeneral
LocationMansfield, MO
Grant DateOct 10, 2014
Expiration DateOct 10, 2024
Cancellation DateMar 7, 2023
Available for ApplicationsMar 8, 2025
K6OSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by NOTT, RONALD A in Mansfield, MO. 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 Ramirez, Alec on May 8, 2026. K6OSU has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.... --- ... ..-
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Six Oscar Sierra Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledMar 7, 2023
- Administrative Update AppliedFeb 17, 2023
- License IssuedOct 10, 2014
- Vanity Callsign GrantedOct 10, 2014
- License ExpiredAug 2, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.