Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2DOT callsign genealogy
Currently held by Jeong, Sanghun
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 K2DOT's current licensee, walking backwards.
- Jeong, SanghunNJgranted 2020-02-11cancelled 2020-02-29
Successor callsigns
Callsigns held now by people who previously held K2DOT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2DOT, oldest first.
- Jacoy, John B TX2005-07-20 → cancelled 2017-10-17
- Jeong, Sanghun NJ2020-02-29 active