Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4ZC callsign genealogy
Currently held by SLAY, RONALD 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 KW4ZC's current licensee, walking backwards.
- SLAY, RONALD LFLgranted 2015-04-17cancelled 2016-11-04
Successor callsigns
Callsigns held now by people who previously held KW4ZC.
No current licensee on record previously held this callsign.