Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5AUX callsign genealogy
Currently held by CHRISTOPH, STEPHEN M
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 W5AUX's current licensee, walking backwards.
- HOLLAND, MILDRED ATXgranted 2013-11-18cancelled 2013-12-07
Successor callsigns
Callsigns held now by people who previously held W5AUX.
- CHRISTOPH, STEPHEN MTXgranted 2007-04-03cancelled 2015-06-13
All historical holders
Every license row we've seen with the callsign W5AUX, oldest first.
- CHRISTOPH, STEPHEN M TX2000-04-25 → cancelled 2007-04-03
- HOLLAND, MILDRED A TX2023-10-25 active