KC4AOC
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHEILMAN, RICHARD E
License ClassTechnician
Min. Class RequiredTechnician
LocationSAN BRUNO, CA
Grant DateMay 13, 2003
Expiration DateJul 27, 2013
Cancellation DateJul 28, 2015
Available for ApplicationsJul 28, 2015
KC4AOC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by HEILMAN, RICHARD E in SAN BRUNO, CA. 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 Coleman, George G on Feb 10, 2025. KC4AOC has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- .- --- -.-.
CW Weight: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Four Alpha Oscar Charlie
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJul 28, 2015
- Tax ID (TIN) AddedMay 13, 2003
- License RenewedMay 13, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Coleman, George GFiled Feb 10, 2025Not awardedFCC ↗