Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0IZ callsign genealogy
Currently held by HAYES, MARY A
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 AD0IZ's current licensee, walking backwards.
- HAYES, MARY ACOgranted 2012-02-16cancelled 2014-05-30
Successor callsigns
Callsigns held now by people who previously held AD0IZ.
No current licensee on record previously held this callsign.