Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT0ADS callsign genealogy
Currently held by Thacher School Amateur Radio Club
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 KT0ADS's current licensee, walking backwards.
- KD9UOZcancelledTOADS CLUBWIgranted 2022-03-17cancelled 2022-04-23
Successor callsigns
Callsigns held now by people who previously held KT0ADS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT0ADS, oldest first.
- Thacher School Amateur Radio Club CA2006-08-22 → cancelled 2018-08-23
- TOADS CLUB WI2022-04-23 active