Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6MDR callsign genealogy
Currently held by McMurtrey, Carla 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 KC6MDR's current licensee, walking backwards.
- McMurtrey, Carla SCAgranted 2017-03-08cancelled 2017-06-27
Successor callsigns
Callsigns held now by people who previously held KC6MDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6MDR, oldest first.
- SANTOS, CHRISTINA A CA1990-06-19 → cancelled 2002-06-20
- McMurtrey, Carla S CA2017-06-27 active