Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0MDR callsign genealogy
Currently held by Lewis, Michael 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 KC0MDR's current licensee, walking backwards.
- Raymond, Michael DCOgranted 2018-07-19cancelled 2018-08-07
Successor callsigns
Callsigns held now by people who previously held KC0MDR.
- Lewis, Michael DCAgranted 2023-01-04cancelled 2024-03-05
All historical holders
Every license row we've seen with the callsign KC0MDR, oldest first.
- Lewis, Michael D CA2011-11-17 → cancelled 2011-11-17
- Raymond, Michael D CO2018-08-07 active