Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5ZYX callsign genealogy
Currently held by Potter, Steven 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 K5ZYX's current licensee, walking backwards.
- Potter, Steven JTXgranted 2026-01-09cancelled 2026-01-27
Successor callsigns
Callsigns held now by people who previously held K5ZYX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ZYX, oldest first.
- Potter, Steven J TX2011-08-06 → cancelled 2023-08-08
- Potter, Steven J TX2026-01-27 active