Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB3FTF callsign genealogy
Currently held by Cook, Douglas M
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 WB3FTF's current licensee, walking backwards.
- Cook, Douglas MPAgranted 2017-06-26cancelled 2017-07-15
Successor callsigns
Callsigns held now by people who previously held WB3FTF.
No current licensee on record previously held this callsign.