KC6J
Active2x1District 6
Competitive callsign — 18 applications filed with the FCC.
License HolderHeinbokel, Christopher R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSan Francisco, CA
Grant DateFeb 20, 2026
Expiration DateApr 19, 2036
KC6J is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Heinbokel, Christopher R in San Francisco, CA. This callsign has attracted significant interest in the amateur radio community, with 18 vanity applications filed with the FCC. The most recent was submitted by Nichols, Dennis C on Apr 5, 2016. KC6J has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. -.... .---
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Charlie Six Juliet
Readability: 8/10(High readability)
License History
- License RenewedFeb 20, 2026
- Administrative Update AppliedApr 2, 2025
- Administrative Update AppliedOct 6, 2020
- Vanity Callsign GrantedApr 19, 2016
- License IssuedApr 19, 2016
- License ExpiredMar 30, 2016
- Tax ID (TIN) AddedFeb 17, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.