Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9THW callsign genealogy
Currently held by WILLIAMS, TIMOTHY H
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 K9THW's current licensee, walking backwards.
- WILLIAMS, TIMOTHY HCOgranted 2020-02-06cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held K9THW.
No current licensee on record previously held this callsign.