Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0LOL callsign genealogy
Currently held by Chevalier Jr, John R
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 KC0LOL's current licensee, walking backwards.
- Chevalier Jr, John RMOgranted 2026-01-07cancelled 2026-01-31
Successor callsigns
Callsigns held now by people who previously held KC0LOL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0LOL, oldest first.
- Helmick, Edward R MN2011-07-27 → cancelled 2023-10-25
- Chevalier Jr, John R MO2026-01-31 active