Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8CR callsign genealogy
Currently held by Izumi, Kazuo
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 N8CR's current licensee, walking backwards.
- WEIR, DAVID SMIgranted 2026-05-08
Successor callsigns
Callsigns held now by people who previously held N8CR.
All historical holders
Every license row we've seen with the callsign N8CR, oldest first.
- ROSENBERGER, CRAIG E MI1995-05-08 → cancelled 2007-05-09
- HOYER, DENNIS R MI2007-06-05 → cancelled 2019-06-06
- Izumi, Kazuo IL2019-07-20 → cancelled 2019-10-22
- WEIR, DAVID S MI2021-11-13 → cancelled 2026-05-08