Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TH callsign genealogy
Currently held by STEVENSON, CLINTON H
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 W7TH's current licensee, walking backwards.
- Pigott IV, William VORgranted 2001-09-27cancelled 2006-09-01
- N7FBWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W7TH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TH, oldest first.
- STEVENSON, CLINTON H AZ1998-07-09 → cancelled 2004-07-24
- Pigott IV, William V OR2016-07-13 active