Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9OBX callsign genealogy
Currently held by Eberhart, Jeffery T
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 K9OBX's current licensee, walking backwards.
- Eberhart, Jeffery TILgranted 2012-10-04cancelled 2015-02-10
Successor callsigns
Callsigns held now by people who previously held K9OBX.
- Copeland, Matt NNCgranted 2012-05-30cancelled 2013-01-01
All historical holders
Every license row we've seen with the callsign K9OBX, oldest first.
- Copeland, Matthew N NC2008-12-02 → cancelled 2012-05-30
- Eberhart, Jeffery T IL2024-12-27 active