Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX9TVS callsign genealogy
Currently held by SEFRIED, MARK W
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 WX9TVS's current licensee, walking backwards.
- SEFRIED, MARK WILgranted 1997-02-20cancelled 2006-09-23
Successor callsigns
Callsigns held now by people who previously held WX9TVS.
No current licensee on record previously held this callsign.