Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3HK callsign genealogy
Currently held by Korth, Haje
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 AB3HK's current licensee, walking backwards.
- Korth, HajeMDgranted 2023-03-07cancelled 2023-09-23
Successor callsigns
Callsigns held now by people who previously held AB3HK.
- CERNY, FILIP JPAgranted 2020-01-24
All historical holders
Every license row we've seen with the callsign AB3HK, oldest first.
- CERNY, FILIP J PA2014-12-23 → cancelled 2020-01-24
- Korth, Haje MD2023-09-23 active