Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KCM callsign genealogy
Currently held by BJORKLUND, DONALD 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 K4KCM's current licensee, walking backwards.
- Merrick, Kevin CVAgranted 2018-11-13cancelled 2019-05-04
Successor callsigns
Callsigns held now by people who previously held K4KCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KCM, oldest first.
- BJORKLUND, DONALD R NH1994-05-31 → cancelled 2006-06-01
- Merrick, Kevin C VA2019-05-04 active