Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5UM callsign genealogy
Currently held by Slay, Jason T
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 AD5UM's current licensee, walking backwards.
- Slay, Jason TTXgranted 2004-07-15cancelled 2005-07-21
Successor callsigns
Callsigns held now by people who previously held AD5UM.
- Slay, Jason TCOgranted 2025-07-22