Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ITZ callsign genealogy
Currently held by Grushkowitz, Tyler R
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 W1ITZ's current licensee, walking backwards.
- Grushkowitz, Tyler RCAgranted 2016-08-24cancelled 2016-09-17
Successor callsigns
Callsigns held now by people who previously held W1ITZ.
No current licensee on record previously held this callsign.