Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CHO callsign genealogy
Currently held by Cho, Kyung Min
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 K1CHO's current licensee, walking backwards.
- Cho, Kyung MinILgranted 2018-06-18cancelled 2018-07-27
Successor callsigns
Callsigns held now by people who previously held K1CHO.
- Cho, Kyung MinILgranted 2018-09-08cancelled 2020-04-04