Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ATM callsign genealogy
Currently held by Kim, Jay H
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 K6ATM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6ATM.
- Velasquez, Joseph BCAgranted 2024-03-12cancelled 2026-02-14
All historical holders
Every license row we've seen with the callsign K6ATM, oldest first.
- Velasquez, Joseph B CA2022-10-04 → cancelled 2024-03-12
- Kim, Jay H CA2026-05-02 active