Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9THI callsign genealogy
Currently held by Brown, David A
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 K9THI's current licensee, walking backwards.
- Brown, David AINgranted 2021-01-11cancelled 2021-04-16
Successor callsigns
Callsigns held now by people who previously held K9THI.
No current licensee on record previously held this callsign.