Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5SUL callsign genealogy
Currently held by Sulphur Amateur Radio Club
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 W5SUL's current licensee, walking backwards.
- KG5GFKcancelledSulphur Amateur Radio ClubLAgranted 2015-03-10cancelled 2015-05-01
Successor callsigns
Callsigns held now by people who previously held W5SUL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5SUL, oldest first.
- PLUMB, WILLIAM C TX2000-04-22 → cancelled 2003-05-03
- Sulphur Amateur Radio Club LA2015-05-01 active