Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4IV callsign genealogy
Currently held by MC CANN, TIM
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 KU4IV's current licensee, walking backwards.
- Mc cann, TIMNCgranted 2023-06-02cancelled 2025-01-03
Successor callsigns
Callsigns held now by people who previously held KU4IV.
- Mc cann, TIMNCgranted 2023-06-02cancelled 2025-01-03
All historical holders
Every license row we've seen with the callsign KU4IV, oldest first.
- MC CANN, TIM NC2022-12-02 → cancelled 2023-06-02
- Mc cann, TIM NC2025-01-03 active
- MC CANN, TIM— → cancelled 1999-02-10