Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN1OBI callsign genealogy
Currently held by Miyagishima, Corwyn Y
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 KN1OBI's current licensee, walking backwards.
- Miyagishima, Corwyn YMAgranted 2025-07-18cancelled 2025-08-08
Successor callsigns
Callsigns held now by people who previously held KN1OBI.
- Lechuga, John KCAgranted 2020-03-21
All historical holders
Every license row we've seen with the callsign KN1OBI, oldest first.
- Lechuga, John K CA2018-02-24 → cancelled 2020-03-21
- Miyagishima, Corwyn Y MA2025-08-08 active