Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3COZ callsign genealogy
Currently held by Krell, April R
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 K3COZ's current licensee, walking backwards.
- Krell, April RMDgranted 2020-11-16cancelled 2021-01-26
Successor callsigns
Callsigns held now by people who previously held K3COZ.
No current licensee on record previously held this callsign.