Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4JPT callsign genealogy
Currently held by Winters, William D
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 WB4JPT's current licensee, walking backwards.
- Winters, William DTNgranted 2022-09-09cancelled 2022-09-27
Successor callsigns
Callsigns held now by people who previously held WB4JPT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4JPT, oldest first.
- WINTERS, WILLIAM D TN1988-12-27 → cancelled 2000-12-28
- Winters, William D TN2022-09-27 active