Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4XI callsign genealogy
Currently held by REISS, WILLIAM D
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 KK4XI'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 KK4XI.
- REISS, WILLIAM DFLgranted 2013-04-19cancelled 2025-04-22