Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1WIZ callsign genealogy
Currently held by LAHEY, LAWRENCE H
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 W1WIZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W1WIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1WIZ, oldest first.
- LAHEY, LAWRENCE H MA2010-05-08 → cancelled 2022-08-02
- Fauser, Michael FL2024-07-09 active