Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4I callsign genealogy
Currently held by MORGENSTERN, RICHARD P
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 KT4I's current licensee, walking backwards.
- MORGENSTERN, RICHARD PFLgranted 2003-11-15cancelled 2013-07-20
- AB4XLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KT4I.
- Wiggins Jr, William CSCgranted 2021-04-28
All historical holders
Every license row we've seen with the callsign KT4I, oldest first.
- STONE, JAMES W KY1994-07-15 → cancelled 2006-07-18
- Wiggins Jr, William C FL2006-08-04 → cancelled 2011-07-01
- MORGENSTERN, RICHARD P FL2023-04-26 active