Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4ND callsign genealogy
Currently held by Labarbera, Richard S
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 KZ4ND's current licensee, walking backwards.
- Labarbera, Richard SNCgranted 2024-09-18cancelled 2024-11-12
Successor callsigns
Callsigns held now by people who previously held KZ4ND.
- LaBarbera, Richard SNCgranted 2025-01-03cancelled 2025-03-04