Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4ZNH callsign genealogy
Currently held by Corbell, Isaac T
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 KN4ZNH's current licensee, walking backwards.
- Corbell, Isaac TNCgranted 2015-08-20cancelled 2019-11-01
Successor callsigns
Callsigns held now by people who previously held KN4ZNH.
- CORBELL, ISAAC TNCgranted 2019-12-10