Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MRC callsign genealogy
Currently held by Callander, Matthew 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 K5MRC's current licensee, walking backwards.
- Callander, Matthew RFLgranted 2023-05-25cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K5MRC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MRC, oldest first.
- MC RIGHT, LESTER L TX2009-08-04 → cancelled 2021-08-05
- Callander, Matthew R FL2025-12-09 active