Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MK callsign genealogy
Currently held by McCurdy, Michael P
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 K6MK's current licensee, walking backwards.
- McCurdy, Michael PCAgranted 2010-01-11cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held K6MK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MK, oldest first.
- MATTHEWS, FREMONT O CA2005-01-10 → cancelled 2017-03-31
- McCurdy, Michael P CA2017-04-18 active