Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9HO callsign genealogy
Currently held by KOBERCZKY, DAVID 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 AD9HO's current licensee, walking backwards.
- KOBERECZKY, DAVID AILgranted 2025-02-27cancelled 2025-09-19
Successor callsigns
Callsigns held now by people who previously held AD9HO.
No current licensee on record previously held this callsign.