Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4THI callsign genealogy
Currently held by Lucas, Richard S
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 W4THI's current licensee, walking backwards.
- Lucas, Richard SFLgranted 2001-11-05cancelled 2002-05-28
Successor callsigns
Callsigns held now by people who previously held W4THI.
No current licensee on record previously held this callsign.