Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JTS callsign genealogy
Currently held by Sober, John T
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 W4JTS's current licensee, walking backwards.
- Sober, John TALgranted 2003-05-07cancelled 2004-03-20
Successor callsigns
Callsigns held now by people who previously held W4JTS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JTS, oldest first.
- TRI COUNTY AMATEUR RADIO SOCIETY GA1998-11-18 → cancelled 1999-10-13
- Sober, John T AL2024-01-06 active