Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI6UO callsign genealogy
Currently held by Negru, Ioan
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 AI6UO's current licensee, walking backwards.
- Negru, IoanCAgranted 2015-10-01cancelled 2016-12-29
Successor callsigns
Callsigns held now by people who previously held AI6UO.
No current licensee on record previously held this callsign.