Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0IAN callsign genealogy
Currently held by PORT SR, CARL A
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 N0IAN's current licensee, walking backwards.
- MacDonnell, Ian JVAgranted 2021-10-21cancelled 2022-03-25
Successor callsigns
Callsigns held now by people who previously held N0IAN.
- HEWITT, IAN BSCgranted 2020-02-25
All historical holders
Every license row we've seen with the callsign N0IAN, oldest first.
- PORT SR, CARL A MN1989-11-07 → cancelled 2002-03-07
- HEWITT, IAN B SC2019-11-13 → cancelled 2020-02-25
- MacDonnell, Ian J VA2022-03-25 active