Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9C callsign genealogy
Currently held by MCCULLOUGH, MARK D
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 KD9C's current licensee, walking backwards.
- MCCULLOUGH, MARK DINgranted 2022-04-18cancelled 2026-03-28
Successor callsigns
Callsigns held now by people who previously held KD9C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD9C, oldest first.
- CARTER, ROYCE D IN2013-07-10 → cancelled 2026-03-06
- MCCULLOUGH, MARK D IN2026-03-28 active