Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7CJX callsign genealogy
Currently held by CLARK, WILLIAM
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 KK7CJX'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 KK7CJX.
- CLARK, WILLIAMWAgranted 2022-02-19