Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0AIU callsign genealogy
Currently held by Bullock, Arthur J
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 N0AIU's current licensee, walking backwards.
- Bullock, Arthur JCOgranted 2009-02-18cancelled 2010-06-11
Successor callsigns
Callsigns held now by people who previously held N0AIU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0AIU, oldest first.
- FREDRICKS, MARY M IA1993-10-26 → cancelled 2005-10-27
- Bullock, Arthur J CO2020-03-17 active