Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4OZK callsign genealogy
Currently held by ATKINS, ROBERT J
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 K4OZK's current licensee, walking backwards.
- ATKINS, ROBERT JFLgranted 2020-05-11cancelled 2020-06-01
Successor callsigns
Callsigns held now by people who previously held K4OZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4OZK, oldest first.
- OZARK REPEATER ASSOCIATION AL2006-11-16 → cancelled 2018-12-05
- ATKINS, ROBERT J TN2020-06-01 active