Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0LFI callsign genealogy
Currently held by T'Kach, Stephen J
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 W0LFI's current licensee, walking backwards.
- T'Kach, Stephen JWIgranted 2014-02-06cancelled 2022-08-13
Successor callsigns
Callsigns held now by people who previously held W0LFI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0LFI, oldest first.
- Hower, Jason CA2010-07-02 → cancelled 2022-07-06
- T'Kach, Stephen J WI2022-08-13 active