Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4UN callsign genealogy
Currently held by Johnson, Kimberly C
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 KZ4UN's current licensee, walking backwards.
- Johnson, Kimberly CNCgranted 2025-02-27cancelled 2025-06-24
Successor callsigns
Callsigns held now by people who previously held KZ4UN.
- Johnson, Kimberly CNCgranted 2025-12-09