Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4R callsign genealogy
Currently held by Walters, Michael E
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 KT4R's current licensee, walking backwards.
- Walters, Michael ENCgranted 2008-02-15cancelled 2016-09-03
Successor callsigns
Callsigns held now by people who previously held KT4R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT4R, oldest first.
- Atha, William J GA2004-05-24 → cancelled 2016-08-16
- Walters, Michael E NC2026-06-30 active