Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU4TO callsign genealogy
Currently held by WILLARD SR, JAMES R
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 KU4TO's current licensee, walking backwards.
- KA4RSCcancelledcancelled 1998-07-21
Successor callsigns
Callsigns held now by people who previously held KU4TO.
- WILLARD SR, JAMES RTNgranted 2023-10-11