Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WTZ callsign genealogy
Currently held by Papiernik, David 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 K9WTZ's current licensee, walking backwards.
- Papiernik, David LCOgranted 2018-12-10cancelled 2019-03-01
Successor callsigns
Callsigns held now by people who previously held K9WTZ.
No current licensee on record previously held this callsign.