Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9J callsign genealogy
Currently held by HASSLER, JASON 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 WA9J's current licensee, walking backwards.
- HASSLER, JASON DILgranted 1998-03-23cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held WA9J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9J, oldest first.
- SUTTON, DAVID G IL1988-07-26 → cancelled 2000-07-27
- HASSLER, JASON D IL2023-01-04 active