Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ASD 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 W5ASD's current licensee, walking backwards.
- Everest, Matthew CNMgranted 2019-03-28cancelled 2019-04-16
Successor callsigns
Callsigns held now by people who previously held W5ASD.
- CHRISTOPH, STEPHEN MTXgranted 2015-06-13
All historical holders
Every license row we've seen with the callsign W5ASD, oldest first.
- CHRISTOPH, STEPHEN M TX2007-04-03 → cancelled 2015-06-13
- Everest, Matthew C NM2019-04-16 active