Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WJT callsign genealogy
Currently held by Tobin Jr, William 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 W4WJT's current licensee, walking backwards.
- Tobin Jr, William JTNgranted 2013-09-14cancelled 2013-11-16
Successor callsigns
Callsigns held now by people who previously held W4WJT.
- Gilbert mr, Robert MFLgranted 2011-08-23cancelled 2023-08-24
All historical holders
Every license row we've seen with the callsign W4WJT, oldest first.
- Gilbert mr, Robert M FL2009-10-20 → cancelled 2011-08-23
- Tobin Jr, William J TN2024-05-07 active