Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1COR callsign genealogy
Currently held by Clark, Corey 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 N1COR's current licensee, walking backwards.
- Ekelund, AdamMNgranted 2025-11-26cancelled 2025-12-16
Successor callsigns
Callsigns held now by people who previously held N1COR.
- Clark, Corey JWAgranted 2020-06-30cancelled 2024-09-06
All historical holders
Every license row we've seen with the callsign N1COR, oldest first.
- READ, CHARLES O RI1998-01-14 → cancelled 2010-01-15
- Clark, Corey J FL2015-09-15 → cancelled 2020-06-30
- Ekelund, Adam MN2025-12-16 active