Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6TSL callsign genealogy
Currently held by BAILES, JOHN 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 W6TSL's current licensee, walking backwards.
- Leimbach, SaraCAgranted 2026-03-31cancelled 2026-05-12
Successor callsigns
Callsigns held now by people who previously held W6TSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6TSL, oldest first.
- BAILES, JOHN D OR2007-11-30 → cancelled 2020-02-27
- Leimbach, Sara CA2026-05-12 active