Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4LW callsign genealogy
Currently held by WHITSON JR, WILLIAM W
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 KZ4LW's current licensee, walking backwards.
- WHITSON JR, WILLIAM WVAgranted 2019-01-30cancelled 2024-10-07
Successor callsigns
Callsigns held now by people who previously held KZ4LW.
No current licensee on record previously held this callsign.