Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0XI callsign genealogy
Currently held by EPSTEIN, PHILIP W
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 K0XI's current licensee, walking backwards.
- BARNETT, ROBERT JCAgranted 2017-04-11cancelled 2017-05-26
Successor callsigns
Callsigns held now by people who previously held K0XI.
- EPSTEIN, PHILIP WMNgranted 2013-02-21cancelled 2025-03-26
All historical holders
Every license row we've seen with the callsign K0XI, oldest first.
- EPSTEIN, PHILIP W MN1997-03-27 → cancelled 2003-03-25
- Active Amateur Radio Society MO2005-05-07 → cancelled 2017-05-09
- BARNETT, ROBERT J CA2017-05-26 active