Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5NXX callsign genealogy
Currently held by Olivares, Daniel A
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 W5NXX's current licensee, walking backwards.
- Olivares, Daniel ATXgranted 2019-10-30cancelled 2025-08-12
Successor callsigns
Callsigns held now by people who previously held W5NXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5NXX, oldest first.
- MABRY, MORTON P TX1988-07-26 → cancelled 2000-07-27
- Olivares, Daniel A TX2025-08-12 active