Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4L callsign genealogy
Currently held by WATTS, SIDNEY 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 WB4L's current licensee, walking backwards.
- Wolfe, Alan EFLgranted 1996-06-19cancelled 2002-06-04
Successor callsigns
Callsigns held now by people who previously held WB4L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4L, oldest first.
- WATTS, SIDNEY E NC1997-03-13 → cancelled 1998-06-14
- Wolfe, Alan E FL2022-03-14 active