Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WE4LSU callsign genealogy
Currently held by Thompson, Robert T
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 WE4LSU's current licensee, walking backwards.
- Thompson, Robert TNCgranted 2021-03-12cancelled 2021-04-17
Successor callsigns
Callsigns held now by people who previously held WE4LSU.
- Thompson, Robert TNCgranted 2022-03-04