WS9O
Active2x1District 9
Competitive callsign — 2 applications filed with the FCC.
License HolderWalder, Stephan
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationChapel Hill, NC
Grant DateNov 20, 2025
Expiration DateJan 10, 2036
WS9O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Walder, Stephan in Chapel Hill, NC. 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 Walder, Stephan on Dec 6, 2005. WS9O has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ... ----. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Sierra Nine Oscar
Readability: 8/10(High readability)
License History
- License RenewedNov 20, 2025
- License RenewedOct 20, 2015
- Administrative Update AppliedApr 8, 2008
- Administrative Update AppliedApr 2, 2008
- Vanity Callsign GrantedJan 10, 2006
- License IssuedJan 10, 2006
- Internal Correction AppliedMay 8, 2002
- Internal Correction AppliedMay 8, 2002
- License RenewedMar 3, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.