Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0KAX callsign genealogy
Currently held by Richardson W, Charles
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 K0KAX's current licensee, walking backwards.
- Richardson W, CharlesCOgranted 2016-02-03cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held K0KAX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0KAX, oldest first.
- CROGHAN, DANIEL H CO1988-04-19 → cancelled 2000-04-20
- Richardson W, Charles CO2021-11-30 active