Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5CO callsign genealogy
Currently held by JOHNSON, JERRY L
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 KC5CO's current licensee, walking backwards.
- JOHNSON, JERRY LMSgranted 2007-03-21cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held KC5CO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5CO, oldest first.
- NEWMAN, RONALD L MT1997-06-11 → cancelled 2009-06-12
- JOHNSON, JERRY L MS2025-09-18 active