Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0DRC callsign genealogy
Currently held by CHAPMAN, DAVID
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 KC0DRC's current licensee, walking backwards.
- CHAPMAN, DAVIDKSgranted 2021-08-05cancelled 2021-08-23
Successor callsigns
Callsigns held now by people who previously held KC0DRC.
- STUMBAUGH, MARK AIDgranted 2020-01-30cancelled 2022-07-23
All historical holders
Every license row we've seen with the callsign KC0DRC, oldest first.
- STUMBAUGH, MARK A CO2008-06-24 → cancelled 2010-04-24
- CHAPMAN, DAVID KS2021-08-23 active