Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3TSM callsign genealogy
Currently held by Wetsman, Howard 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 W3TSM's current licensee, walking backwards.
- Wetsman, Howard CLAgranted 2016-09-29cancelled 2016-10-25
Successor callsigns
Callsigns held now by people who previously held W3TSM.
No current licensee on record previously held this callsign.