Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0ZCO callsign genealogy
Currently held by Gunderson, Kayla N
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 K0ZCO's current licensee, walking backwards.
- Gunderson, Kayla NUTgranted 2025-01-29cancelled 2025-02-25
Successor callsigns
Callsigns held now by people who previously held K0ZCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ZCO, oldest first.
- HAYMAKER, LINCOLN L CO2014-03-13 → cancelled 2023-03-05
- Gunderson, Kayla N UT2025-02-25 active