Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4RH callsign genealogy
Currently held by Namdar, Laurence M
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 KZ4RH's current licensee, walking backwards.
- Namdar, Laurence MFLgranted 2024-12-24cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held KZ4RH.
No current licensee on record previously held this callsign.