Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4WLF callsign genealogy
Currently held by CASSANOVA, WILLIAM A
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 KJ4WLF's current licensee, walking backwards.
- CASSANOVA, WILLIAM AGAgranted 2009-08-03cancelled 2009-08-22
Successor callsigns
Callsigns held now by people who previously held KJ4WLF.
- CASSANOVA, WILLIAM AGAgranted 2023-11-10