Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8TDH callsign genealogy
Currently held by HATCH, THOMAS D
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 KB8TDH's current licensee, walking backwards.
- Hatch, Thomas DOHgranted 2013-02-01cancelled 2013-08-23
Successor callsigns
Callsigns held now by people who previously held KB8TDH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8TDH, oldest first.
- HATCH, THOMAS D OH2023-08-18 active
- —— → cancelled 1997-09-17