Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6THO callsign genealogy
Currently held by ERWIN, WALTER C
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 W6THO's current licensee, walking backwards.
- Burns, James LCAgranted 2015-10-01cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held W6THO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6THO, oldest first.
- ERWIN, WALTER C CA1996-01-16 → cancelled 2008-01-17
- Burns, James L CA2025-09-04 active