Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9IEO callsign genealogy
Currently held by JACOBSEN, JIM 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 N9IEO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N9IEO.
- JACOBSEN, JIM AILgranted 2013-09-19cancelled 2017-08-18