Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9UWU callsign genealogy
Currently held by DeVilbiss, Joseph 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 KD9UWU's current licensee, walking backwards.
- DeVilbiss, Joseph WWIgranted 2019-12-26cancelled 2020-02-08
Successor callsigns
Callsigns held now by people who previously held KD9UWU.
No current licensee on record previously held this callsign.