Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7DC callsign genealogy
Currently held by Cooper, Donald W
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 KC7DC's current licensee, walking backwards.
- Cooper, Donald WWAgranted 2015-05-01cancelled 2016-01-12
Successor callsigns
Callsigns held now by people who previously held KC7DC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7DC, oldest first.
- BAMMERLIN III, CHARLES R OR1988-03-29 → cancelled 2000-03-30
- Cooper, Donald W AR2016-01-12 active