Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4IWZ callsign genealogy
Currently held by Vaughan Regioanl Medical Hospital
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 KK4IWZ'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 KK4IWZ.
- N4VRMactiveVaughan Regional Medical CenterALgranted 2022-12-03