Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TAO callsign genealogy
Currently held by Ferguson, Gary 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 W5TAO's current licensee, walking backwards.
- Ferguson, Gary MNMgranted 2019-10-17cancelled 2020-04-14
Successor callsigns
Callsigns held now by people who previously held W5TAO.
No current licensee on record previously held this callsign.