Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7WTH callsign genealogy
Currently held by STICHT, MARK
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 W7WTH's current licensee, walking backwards.
- STICHT, MARKUTgranted 2015-01-23cancelled 2015-03-20
Successor callsigns
Callsigns held now by people who previously held W7WTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7WTH, oldest first.
- MC FARLAND, GARY F WA1995-12-05 → cancelled 2007-12-06
- STICHT, MARK MT2025-01-24 active