Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JTN callsign genealogy
Currently held by HAYS, WILLIAM 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 K4JTN's current licensee, walking backwards.
- NEWSOME JR, JEFFERSON TVAgranted 2012-04-12cancelled 2018-08-28
Successor callsigns
Callsigns held now by people who previously held K4JTN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JTN, oldest first.
- HAYS, WILLIAM W TN2006-05-16 → cancelled 2018-07-31
- NEWSOME JR, JEFFERSON T VA2018-08-28 active