Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9PDJ callsign genealogy
Currently held by SELLUNG, JOHN 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 KC9PDJ's current licensee, walking backwards.
- SELLUNG, JOHN DWIgranted 2022-12-23
Successor callsigns
Callsigns held now by people who previously held KC9PDJ.
- SELLUNG, JOHN DWIgranted 2022-12-23