Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0LSR callsign genealogy
Currently held by Harrison, Mike S
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 KC0LSR's current licensee, walking backwards.
- KE0NTFcancelledLe Sueur Co Emergency ManagementMNgranted 2017-06-19cancelled 2018-03-02
Successor callsigns
Callsigns held now by people who previously held KC0LSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0LSR, oldest first.
- Harrison, Mike S CO2001-11-19 → cancelled 2013-11-20
- Le Sueur Co Emergency Management MN2018-03-02 active