Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9JCS callsign genealogy
Currently held by Jaax, 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 W9JCS's current licensee, walking backwards.
- Jaax, Joseph PILgranted 2018-08-29cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held W9JCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9JCS, oldest first.
- STEPHENSON, JAMES C IL1999-11-16 → cancelled 2011-11-17
- Jaax, Joseph P IL2018-12-15 active