Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4CUP callsign genealogy
Currently held by WILHEIT JR, THOMAS T
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 KK4CUP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4CUP.
- WILHEIT JR, THOMAS TNCgranted 2021-12-07