Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9JAS callsign genealogy
Currently held by Sheldon III, James A
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 WB9JAS's current licensee, walking backwards.
- Sheldon III, James AILgranted 2020-08-10cancelled 2020-10-20
Successor callsigns
Callsigns held now by people who previously held WB9JAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9JAS, oldest first.
- MC GINNIS, MICHAEL L IL1988-07-05 → cancelled 2000-07-06
- Sheldon III, James A IL2020-10-20 active