Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW5U callsign genealogy
Currently held by SMITH, JAMES D
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 KW5U's current licensee, walking backwards.
- EICHINGER, MICHAELOKgranted 2022-07-19cancelled 2023-06-09
Successor callsigns
Callsigns held now by people who previously held KW5U.
- SMITH, JAMES DTXgranted 2021-05-21
All historical holders
Every license row we've seen with the callsign KW5U, oldest first.
- SMITH, JAMES D TX2016-09-09 → cancelled 2021-05-21
- EICHINGER, MICHAEL OK2023-06-09 active