Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ATT callsign genealogy
Currently held by KLATT, JOSHUA
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 K1ATT's current licensee, walking backwards.
- KLATT, JOSHUANYgranted 2021-01-11cancelled 2021-01-30
Successor callsigns
Callsigns held now by people who previously held K1ATT.
- Tullio, Anthony TMAgranted 2017-03-07
All historical holders
Every license row we've seen with the callsign K1ATT, oldest first.
- TULLIO, ANTHONY T MA2012-03-02 → cancelled 2017-03-07
- KLATT, JOSHUA OH2021-01-30 active