Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB6EMS callsign genealogy
Currently held by TATRO, WINFIELD 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 WB6EMS's current licensee, walking backwards.
- Mathis, Chad RCAgranted 2003-01-16cancelled 2003-03-15
Successor callsigns
Callsigns held now by people who previously held WB6EMS.
- TATRO, WINFIELD CCAgranted 2018-02-20
All historical holders
Every license row we've seen with the callsign WB6EMS, oldest first.
- Mathis, Chad R WA2023-11-28 active
- TATRO, WINFIELD C— → cancelled 1998-04-03