Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5OXY callsign genealogy
Currently held by STURM, TIMOTHY 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 N5OXY's current licensee, walking backwards.
- STURM, TIMOTHY JTXgranted 2021-08-02cancelled 2021-08-27
Successor callsigns
Callsigns held now by people who previously held N5OXY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5OXY, oldest first.
- CAVNOR, CLIFFORD C TX1990-08-14 → cancelled 2002-08-15
- STURM, TIMOTHY J TX2021-08-27 active