Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WIL callsign genealogy
Currently held by Allsop Jr, William J
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 W4WIL's current licensee, walking backwards.
- Williams, Travis MFLgranted 2008-08-20cancelled 2013-03-29
Successor callsigns
Callsigns held now by people who previously held W4WIL.
- Allsop Jr, William JCAgranted 2018-10-03
All historical holders
Every license row we've seen with the callsign W4WIL, oldest first.
- Allsop Jr, William J CA2002-04-10 → cancelled 2008-12-16
- Williams, Travis M FL2023-03-09 active