Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9ISD callsign genealogy
Currently held by Coppens, Adam 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 KD9ISD's current licensee, walking backwards.
- Coppens, Adam CWIgranted 2017-05-30cancelled 2017-05-31
Successor callsigns
Callsigns held now by people who previously held KD9ISD.
No current licensee on record previously held this callsign.