KC0OO
Available2x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderSeegmuller, William H
License ClassGeneral
Min. Class RequiredGeneral
LocationMahopac, NY
Grant DateNov 25, 1998
Expiration DateNov 25, 2008
Cancellation DateNov 27, 2010
Available for ApplicationsNov 26, 2010
KC0OO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Seegmuller, William H in Mahopac, NY. 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 Phillips, Joseph on Jun 30, 2026. KC0OO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ----- --- ---
CW Weight: 48 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Zero Oscar Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredNov 27, 2010
- Tax ID (TIN) AddedFeb 4, 2005
- Administrative Update AppliedFeb 4, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Phillips, JosephFiled Jun 30, 2026Not awardedFCC ↗