Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0HA callsign genealogy
Currently held by Clay, John 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 AD0HA's current licensee, walking backwards.
- Clay, John LMNgranted 2013-09-19cancelled 2014-01-16
Successor callsigns
Callsigns held now by people who previously held AD0HA.
No current licensee on record previously held this callsign.