Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9EOK callsign genealogy
Currently held by Platt, Richard 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 K9EOK's current licensee, walking backwards.
- Higginbotham, Mitchell WARgranted 2023-08-30cancelled 2025-04-18
Successor callsigns
Callsigns held now by people who previously held K9EOK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9EOK, oldest first.
- Platt, Richard J AR2015-12-01 → cancelled 2023-08-11
- Higginbotham, Mitchell W AR2025-04-18 active