KC0STY
Expired2x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderWilburn, Brian L
License ClassTechnician
Min. Class RequiredTechnician
LocationBoulder, CO
Grant DateSep 13, 2014
Expiration DateSep 13, 2024
Available for ApplicationsSep 14, 2026
KC0STY is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Wilburn, Brian L in Boulder, CO. 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 Cleveland, Cristy I on May 25, 2016. KC0STY has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ----- ... - -.--
CW Weight: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Zero Sierra Tango Yankee
Readability: 6.5/10(Good readability)
Available Sep 14, 2026 (11 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedSep 13, 2014
- License IssuedJul 13, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Cleveland, Cristy IFiled May 25, 2016Not awardedFCC ↗