Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BAD callsign genealogy
Currently held by DuPre, Adrian
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 W0BAD's current licensee, walking backwards.
- DuPre, AdrianWAgranted 2025-11-22cancelled 2025-12-12
Successor callsigns
Callsigns held now by people who previously held W0BAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0BAD, oldest first.
- MALLON, ROBERT W MN2013-08-27 → cancelled 2025-09-17
- DuPre, Adrian WA2025-12-12 active