Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4ZOK callsign genealogy
Currently held by WRIGHT, MICHAEL S
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 WB4ZOK's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB4ZOK.
- WRIGHT, MICHAEL SGAgranted 2013-01-04cancelled 2025-03-11