Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9PBJ callsign genealogy
Currently held by HENNING, CARL D
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 W9PBJ's current licensee, walking backwards.
- Walsh, Mandi BWIgranted 2020-08-06cancelled 2020-11-03
Successor callsigns
Callsigns held now by people who previously held W9PBJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9PBJ, oldest first.
- HENNING, CARL D IL1988-02-02 → cancelled 2000-02-03
- Walsh, Mandi B WI2020-11-03 active