Confidence: Medium · Source: FCC ULS · As of 2026-11-04
N3OAI callsign genealogy
Currently held by Maiolo, Robert
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 N3OAI's current licensee, walking backwards.
- Maiolo, RobertCAgranted 2025-09-30cancelled 2026-09-26
Successor callsigns
Callsigns held now by people who previously held N3OAI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3OAI, oldest first.
- HENSEL, JEFFREY T MD1993-01-19 → cancelled 2005-01-20
- Maiolo, Robert CA2026-09-26 active