Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9IJ callsign genealogy
Currently held by Eisert, Ronald 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 AB9IJ's current licensee, walking backwards.
- Eisert, Ronald AINgranted 1999-05-20cancelled 2003-12-22
Successor callsigns
Callsigns held now by people who previously held AB9IJ.
No current licensee on record previously held this callsign.