W1OSU
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderKAUFFMAN, CHERYL J
License ClassTechnician
Min. Class RequiredGeneral
LocationSidney, OH
Grant DateApr 2, 2025
Expiration DateApr 2, 2035
W1OSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KAUFFMAN, CHERYL J in Sidney, OH. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Gravelese, Alan J on Jul 27, 2004. W1OSU has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 37 units(Moderate)
Voice Phonetics
Whiskey One Oscar Sierra Uniform
Readability: 7/10(Good readability)
License History
- License RenewedApr 2, 2025
- License RenewedAug 5, 2014
- License IssuedAug 14, 2004
- Vanity Callsign GrantedAug 14, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.