Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5TSL callsign genealogy
Currently held by Suppa, Tom L
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 W5TSL's current licensee, walking backwards.
- Suppa, Tom LOKgranted 2019-07-11cancelled 2019-08-17
Successor callsigns
Callsigns held now by people who previously held W5TSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5TSL, oldest first.
- BLACKBURN, RONALD F CO1996-09-23 → cancelled 2008-09-24
- Suppa, Tom L OK2019-08-17 active