Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0JSL callsign genealogy
Currently held by Ledeman, John S
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 WA0JSL's current licensee, walking backwards.
- Ledeman, John SWAgranted 2025-06-07cancelled 2025-06-27
Successor callsigns
Callsigns held now by people who previously held WA0JSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA0JSL, oldest first.
- GERARD, BARBARA M KS2005-03-01 → cancelled 2017-05-25
- Ledeman, John S WA2025-06-27 active