Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0JSB callsign genealogy
Currently held by Buchanan, Jason 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 W0JSB's current licensee, walking backwards.
- BRABY, JOEL STXgranted 2019-09-19cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held W0JSB.
- Buchanan, Jason SWAgranted 2023-11-14
All historical holders
Every license row we've seen with the callsign W0JSB, oldest first.
- Buchanan, Jason S MA2003-07-18 → cancelled 2003-12-02
- BRABY, JOEL S TX2020-09-01 active