Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9WJG callsign genealogy
Currently held by Guzik, William J
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 K9WJG's current licensee, walking backwards.
- GUZIK, WILLIAM JILgranted 2001-04-05cancelled 2003-11-14
Successor callsigns
Callsigns held now by people who previously held K9WJG.
No current licensee on record previously held this callsign.