Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JTH callsign genealogy
Currently held by Hamilton, Joshua 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 K4JTH's current licensee, walking backwards.
- Harris, Joshua ASCgranted 2025-07-05cancelled 2025-08-26
Successor callsigns
Callsigns held now by people who previously held K4JTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JTH, oldest first.
- NEAL, WAYNE R NC1996-08-29 → cancelled 2008-06-14
- Hamilton, Joshua T AL2013-06-22 → cancelled 2025-06-24
- Harris, Joshua A SC2025-08-26 active