Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9JGQ callsign genealogy
Currently held by PIOTROWSKI, JEROME 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 WB9JGQ's current licensee, walking backwards.
- Piotrowski, Bradley JILgranted 2026-05-21cancelled 2026-06-26
Successor callsigns
Callsigns held now by people who previously held WB9JGQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9JGQ, oldest first.
- PIOTROWSKI, JEROME D IN2005-06-14 → cancelled 2017-06-20
- Piotrowski, Bradley J IL2026-06-26 active