Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5GIS callsign genealogy
Currently held by GOTTLOB, LEONARD 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 W5GIS's current licensee, walking backwards.
- Royall IV, Jesse TTXgranted 2025-12-02
Successor callsigns
Callsigns held now by people who previously held W5GIS.
- Royall IV, Jesse TTXgranted 2025-12-02
All historical holders
Every license row we've seen with the callsign W5GIS, oldest first.
- GOTTLOB, LEONARD J TX1994-07-14 → cancelled 2006-07-15
- Royall IV, Jesse T TX2014-04-15 → cancelled 2016-01-22