Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DTA callsign genealogy
Currently held by Okun, Arthur
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 K9DTA's current licensee, walking backwards.
- Bethune, DavidTXgranted 2024-05-07cancelled 2024-05-25
Successor callsigns
Callsigns held now by people who previously held K9DTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9DTA, oldest first.
- Okun, Arthur IL2005-03-08 → cancelled 2017-03-09
- Bethune, David TX2024-05-25 active