Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4CR callsign genealogy
Currently held by Luffman, Walter L
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 KZ4CR's current licensee, walking backwards.
- Luffman, Walter LTNgranted 2023-01-12cancelled 2023-12-12
Successor callsigns
Callsigns held now by people who previously held KZ4CR.
No current licensee on record previously held this callsign.