Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W4ZOK callsign genealogy
Currently held by SMITH, THOMAS 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 W4ZOK's current licensee, walking backwards.
- SMITH, THOMAS LTNgranted 1995-07-25cancelled 2000-12-05
Successor callsigns
Callsigns held now by people who previously held W4ZOK.
No current licensee on record previously held this callsign.