Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8TZF callsign genealogy
Currently held by Cook, Michael G
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 W8TZF's current licensee, walking backwards.
- Cook, Michael GOHgranted 2017-03-06cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held W8TZF.
- Cook, Michael GOHgranted 2017-11-25cancelled 2018-09-14