Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5XH callsign genealogy
Currently held by Clark, Stephen L
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 AD5XH's current licensee, walking backwards.
- Clark, Stephen LTXgranted 1998-11-23cancelled 2006-06-13
Successor callsigns
Callsigns held now by people who previously held AD5XH.
- Clark, Stephen LTXgranted 2026-05-09