Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DIM callsign genealogy
Currently held by THOMAS Jr, DAVIS E
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 W4DIM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4DIM.
- THOMAS Jr, DAVIS EALgranted 2016-11-29