Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9KMZ callsign genealogy
Currently held by ZAPENCKI, KATHLEEN M
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 W9KMZ's current licensee, walking backwards.
- Zapencki, Kathleen MWIgranted 2022-02-28cancelled 2022-03-22
Successor callsigns
Callsigns held now by people who previously held W9KMZ.
No current licensee on record previously held this callsign.