Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6COC callsign genealogy
Currently held by Cornell, Charles O
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K6COC's current licensee, walking backwards.
- Cornell, Charles OCAgranted 2013-03-27cancelled 2013-04-26
Successor callsigns
Callsigns held now by people who previously held K6COC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6COC, oldest first.
- NELSON, ALVIN E CA1994-07-09 → cancelled 2006-07-11
- Cornell, Charles O OR2023-08-16 active