Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LCT callsign genealogy
Currently held by DAVIS, WILLIAM E
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 W4LCT's current licensee, walking backwards.
- Kruppenbach, JohnNCgranted 2024-10-29cancelled 2025-04-22
Successor callsigns
Callsigns held now by people who previously held W4LCT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LCT, oldest first.
- DAVIS, WILLIAM E FL1987-09-29 → cancelled 1999-09-30
- Kruppenbach, John NC2025-04-22 active