Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6TEO callsign genealogy
Currently held by MALOS JR, THEODORE W
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 K6TEO's current licensee, walking backwards.
- Ceccato, MatteoCAgranted 2026-02-24cancelled 2026-03-14
Successor callsigns
Callsigns held now by people who previously held K6TEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6TEO, oldest first.
- MALOS JR, THEODORE W CA2013-03-05 → cancelled 2025-03-06
- Ceccato, Matteo CA2026-03-14 active