Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5YM callsign genealogy
Currently held by Riddle, Steve R
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 AD5YM's current licensee, walking backwards.
- Riddle, Steve RTXgranted 2006-04-25cancelled 2006-09-26
Successor callsigns
Callsigns held now by people who previously held AD5YM.
No current licensee on record previously held this callsign.