Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9AH callsign genealogy
Currently held by PETRERE, Kathy
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 AD9AH's current licensee, walking backwards.
- PETRERE, KathyINgranted 2022-03-08cancelled 2022-04-11
Successor callsigns
Callsigns held now by people who previously held AD9AH.
- PETRERE, KathyINgranted 2022-05-06