Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CHO callsign genealogy
Currently held by Cho, Leroy D
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 K0CHO's current licensee, walking backwards.
- Cho, Leroy DINgranted 2009-05-13cancelled 2010-05-29
Successor callsigns
Callsigns held now by people who previously held K0CHO.
No current licensee on record previously held this callsign.