Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WE4THR callsign genealogy
Currently held by Keller, David I
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 WE4THR's current licensee, walking backwards.
- Keller, David IFLgranted 2017-11-09cancelled 2018-07-13
Successor callsigns
Callsigns held now by people who previously held WE4THR.
No current licensee on record previously held this callsign.