Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5WZJ callsign genealogy
Currently held by OPPERMAN, MARK 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 KD5WZJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD5WZJ.
- OPPERMAN, MARK WTXgranted 2023-07-12