Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3WH callsign genealogy
Currently held by Invernizzi, John
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 KC3WH's current licensee, walking backwards.
- Invernizzi, JohnPAgranted 2013-09-09cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held KC3WH.
No current licensee on record previously held this callsign.