Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8TWH callsign genealogy
Currently held by HARTWELL, THOMAS W
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 K8TWH's current licensee, walking backwards.
- HARTWELL, THOMAS WOHgranted 1993-06-01cancelled 2001-04-13
Successor callsigns
Callsigns held now by people who previously held K8TWH.
No current licensee on record previously held this callsign.