Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8CHO callsign genealogy
Currently held by O NEIL JR, WILLIAM 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 N8CHO's current licensee, walking backwards.
- Choo, Nathaniel IOHgranted 2018-05-18cancelled 2019-06-07
Successor callsigns
Callsigns held now by people who previously held N8CHO.
- O NEIL JR, WILLIAM JOHgranted 2017-12-20cancelled 2024-02-03
All historical holders
Every license row we've seen with the callsign N8CHO, oldest first.
- Choo, Nathaniel I OH2019-06-07 active
- O NEIL JR, WILLIAM J— → cancelled 1998-03-18