Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0WOI callsign genealogy
Currently held by OLSON, ELDON L
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 N0WOI's current licensee, walking backwards.
- Case, EmeryIAgranted 2019-08-09cancelled 2019-09-24
Successor callsigns
Callsigns held now by people who previously held N0WOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WOI, oldest first.
- OLSON, ELDON L IA1993-05-04 → cancelled 2005-05-05
- Case, Emery IA2019-09-24 active