Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TSL callsign genealogy
Currently held by CONRAD, TED
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 K0TSL's current licensee, walking backwards.
- Luce, TannerCOgranted 2020-06-26cancelled 2020-07-28
Successor callsigns
Callsigns held now by people who previously held K0TSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0TSL, oldest first.
- CONRAD, TED MO1991-12-17 → cancelled 2003-12-18
- Luce, Tanner CO2020-07-28 active