Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6COB callsign genealogy
Currently held by O'Banion, Charles C
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 W6COB's current licensee, walking backwards.
- O'Banion, Charles CCAgranted 2009-09-10cancelled 2009-09-29
Successor callsigns
Callsigns held now by people who previously held W6COB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6COB, oldest first.
- CUSTER, DONALD R CA1995-11-08 → cancelled 2007-11-09
- O'Banion, Charles C CA2019-09-06 active