Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6THH callsign genealogy
Currently held by Hendricks, Thomas 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 K6THH's current licensee, walking backwards.
- Hendricks, Thomas HCAgranted 2006-12-14cancelled 2007-01-04
Successor callsigns
Callsigns held now by people who previously held K6THH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6THH, oldest first.
- CHIAPPARI, THEODORE CA1987-09-22 → cancelled 1999-09-23
- Hendricks, Thomas H CA2016-10-31 active