Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8MCK callsign genealogy
Currently held by MCKENNA, MALCOLM 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 K8MCK's current licensee, walking backwards.
- McKnight, Ryan MOHgranted 2019-01-31cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held K8MCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8MCK, oldest first.
- MCKENNA, MALCOLM P WV2006-12-05 → cancelled 2018-12-07
- McKnight, Ryan M OH2019-06-11 active