Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4SGH callsign genealogy
Currently held by THOMAS, JAMES W
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 W4SGH's current licensee, walking backwards.
- Hill, Steven GTNgranted 2024-01-06cancelled 2024-03-22
Successor callsigns
Callsigns held now by people who previously held W4SGH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SGH, oldest first.
- THOMAS, JAMES W AL2007-06-26 → cancelled 2019-09-18
- Hill, Steven G TN2024-03-22 active