Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4KH callsign genealogy
Currently held by CAPPS, MASON T
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 KZ4KH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KZ4KH.
No current licensee on record previously held this callsign.