Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0YK callsign genealogy
Currently held by Crawford Jr, James K
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 AD0YK's current licensee, walking backwards.
- Crawford Jr, James KMOgranted 2015-11-25cancelled 2017-05-26
Successor callsigns
Callsigns held now by people who previously held AD0YK.
No current licensee on record previously held this callsign.