Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5WAT callsign genealogy
Currently held by HUMPHREYS, WILLIAM
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 K5WAT's current licensee, walking backwards.
- HUMPHREYS, WILLIAMTXgranted 2023-12-16cancelled 2024-04-19
Successor callsigns
Callsigns held now by people who previously held K5WAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5WAT, oldest first.
- Waters, Rosa E TX2011-07-28 → cancelled 2023-10-20
- HUMPHREYS, WILLIAM TX2024-04-19 active