Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ6LIN callsign genealogy
Currently held by LIN, JACK F
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 KJ6LIN's current licensee, walking backwards.
- LIN, JACK FCAgranted 2015-05-29cancelled 2025-04-29
Successor callsigns
Callsigns held now by people who previously held KJ6LIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ6LIN, oldest first.
- Shin, Eui J CA2010-11-12 → cancelled 2022-11-15
- LIN, JACK F CA2025-04-29 active