Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JPW callsign genealogy
Currently held by Wieczorek, Joseph P
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 K9JPW's current licensee, walking backwards.
- Wieczorek, Joseph PILgranted 2001-06-25cancelled 2001-07-26
Successor callsigns
Callsigns held now by people who previously held K9JPW.
- KINZIE, JAY HILgranted 2019-02-14cancelled 2019-03-05