Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT0MOO callsign genealogy
Currently held by Taguchi, Tomoo
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 KT0MOO's current licensee, walking backwards.
- Tarabelli JR, Thomas FMOgranted 2025-12-02cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held KT0MOO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT0MOO, oldest first.
- Taguchi, Tomoo CA2006-07-15 → cancelled 2018-07-17
- Tarabelli JR, Thomas F MO2025-12-30 active