Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3THS callsign genealogy
Currently held by Shepard, Thomas 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 W3THS's current licensee, walking backwards.
- Shepard, Thomas HMIgranted 2018-06-19cancelled 2018-07-07
Successor callsigns
Callsigns held now by people who previously held W3THS.
No current licensee on record previously held this callsign.