Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ATS callsign genealogy
Currently held by Sedorovitz, Thomas R
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 W3ATS's current licensee, walking backwards.
- Sedorovitz Jr, Thomas RPAgranted 2011-04-21cancelled 2011-11-11
Successor callsigns
Callsigns held now by people who previously held W3ATS.
No current licensee on record previously held this callsign.