Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5ETD callsign genealogy
Currently held by TRIMBLE, HAROLD H
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 W5ETD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5ETD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5ETD, oldest first.
- TRIMBLE, HAROLD H TX2001-08-17 → cancelled 2013-09-04
- DE ROOS, JOHN T AR2023-09-19 active