Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4ART callsign genealogy
Currently held by HAVEN, MARY A
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 KZ4ART's current licensee, walking backwards.
- HAVEN, MARY ASCgranted 2004-09-07cancelled 2004-11-10
Successor callsigns
Callsigns held now by people who previously held KZ4ART.
No current licensee on record previously held this callsign.