Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4JAF callsign genealogy
Currently held by WICKMAN SR, DOUGLAS L
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 KD4JAF's current licensee, walking backwards.
- N7QKWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD4JAF.
- WICKMAN SR, DOUGLAS LFLgranted 2019-09-12