Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5SXC callsign genealogy
Currently held by STACHIW, MARK A
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 W5SXC's current licensee, walking backwards.
- STACHIW, MARK ATXgranted 2001-11-20cancelled 2005-04-12
Successor callsigns
Callsigns held now by people who previously held W5SXC.
- Auguste, David FTXgranted 2002-08-28cancelled 2011-07-02
All historical holders
Every license row we've seen with the callsign W5SXC, oldest first.
- Auguste, David F TX2000-10-14 → cancelled 2002-08-28
- STACHIW, MARK A TX2025-02-13 active