Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4SCT callsign genealogy
Currently held by Sprouse, William 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 KK4SCT's current licensee, walking backwards.
- Sprouse, William SFLgranted 2025-12-18cancelled 2026-01-06
Successor callsigns
Callsigns held now by people who previously held KK4SCT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4SCT, oldest first.
- Bankasingh, Marie FL2013-06-21 → cancelled 2025-06-24
- Sprouse, William S FL2026-01-06 active