Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7FJU callsign genealogy
Currently held by STELZIG, CLARK F
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 KD7FJU'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 KD7FJU.
- STELZIG, CLARK FWAgranted 2026-05-08