Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR4MS callsign genealogy
Currently held by Renaud, William A
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 WR4MS's current licensee, walking backwards.
- Renaud, William ATNgranted 2003-04-11cancelled 2005-07-19
Successor callsigns
Callsigns held now by people who previously held WR4MS.
No current licensee on record previously held this callsign.