Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD5YJ callsign genealogy
Currently held by Markley, Craig 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 AD5YJ's current licensee, walking backwards.
- Markley, Craig RTXgranted 2006-08-09cancelled 2006-09-13
Successor callsigns
Callsigns held now by people who previously held AD5YJ.
No current licensee on record previously held this callsign.