Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN9ZRT callsign genealogy
Currently held by Natonski, Philip E
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 WN9ZRT's current licensee, walking backwards.
- Natonski, Philip EWIgranted 2017-04-20cancelled 2017-05-09
Successor callsigns
Callsigns held now by people who previously held WN9ZRT.
No current licensee on record previously held this callsign.