Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8NAV callsign genealogy
Currently held by Guzek, Thomas J
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 W8NAV's current licensee, walking backwards.
- Guzek, Thomas JMIgranted 1999-10-19cancelled 2001-04-20
Successor callsigns
Callsigns held now by people who previously held W8NAV.
No current licensee on record previously held this callsign.