Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT8D callsign genealogy
Currently held by FERGUSON, GREGORY B
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 WT8D's current licensee, walking backwards.
- Boyle, Timothy JINgranted 2024-03-08cancelled 2024-05-17
Successor callsigns
Callsigns held now by people who previously held WT8D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT8D, oldest first.
- FERGUSON, GREGORY B OH2012-01-31 → cancelled 2024-04-30
- Boyle, Timothy J IN2024-05-17 active