Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7SE callsign genealogy
Currently held by Kim, Sejong
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 AB7SE's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB7SE.
- PICKARD, CHARLES AIDgranted 2019-08-12
All historical holders
Every license row we've seen with the callsign AB7SE, oldest first.
- Kim, Sejong WA2025-08-01 active
- PICKARD, CHARLES A— → cancelled 1999-08-04