Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4LW callsign genealogy
Currently held by LACHER, WILLIAM L
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 AB4LW's current licensee, walking backwards.
- Perello, Miguel AFLgranted 2021-02-16cancelled 2022-03-04
Successor callsigns
Callsigns held now by people who previously held AB4LW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4LW, oldest first.
- LACHER, WILLIAM L TN2008-09-12 → cancelled 2020-10-01
- Perello, Miguel A FL2022-03-04 active