Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9EO callsign genealogy
Currently held by Chmura, Jerry J
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 AB9EO's current licensee, walking backwards.
- Chmura, Jerry JILgranted 1993-06-08cancelled 2002-04-05
Successor callsigns
Callsigns held now by people who previously held AB9EO.
- Chmura, Jerry JILgranted 2023-11-22