Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI5UJ callsign genealogy
Currently held by Feldkamp, Joseph R
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 AI5UJ's current licensee, walking backwards.
- Feldkamp, Joseph RNMgranted 2016-09-06cancelled 2024-12-06
Successor callsigns
Callsigns held now by people who previously held AI5UJ.
No current licensee on record previously held this callsign.