Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TL callsign genealogy
Currently held by LEADER, TIMOTHY M
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 K9TL's current licensee, walking backwards.
- DAVIS, DOUGLAS AINgranted 1999-03-18cancelled 2000-06-27
Successor callsigns
Callsigns held now by people who previously held K9TL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TL, oldest first.
- LEADER, TIMOTHY M WI1996-12-18 → cancelled 1997-08-22
- DAVIS, DOUGLAS A IN2020-10-27 active