Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GEM callsign genealogy
Currently held by GladesARES, Inc.
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 W4GEM's current licensee, walking backwards.
- KR4IFVcancelledGladesARES, Inc.FLgranted 2025-12-13cancelled 2026-01-03
Successor callsigns
Callsigns held now by people who previously held W4GEM.
- Sligowski, Scott JFLgranted 2023-09-12
All historical holders
Every license row we've seen with the callsign W4GEM, oldest first.
- MILBURN, GERALD E FL2009-12-17 → cancelled 2022-03-15
- Sligowski, Scott J FL2023-07-15 → cancelled 2023-09-12
- GladesARES, Inc. FL2026-01-03 active