Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE6IBJ callsign genealogy
Currently held by Kupferman, Aaron S
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 KE6IBJ's current licensee, walking backwards.
- Kupferman, Aaron SCAgranted 2022-09-29cancelled 2022-10-18
Successor callsigns
Callsigns held now by people who previously held KE6IBJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE6IBJ, oldest first.
- KUPFERMAN, AARON S CA2004-05-28 → cancelled 2016-06-23
- Kupferman, Aaron S CA2022-10-18 active