Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K5MKC callsign genealogy
Currently held by COLSON JR, JOSEPH C
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 K5MKC's current licensee, walking backwards.
- COLSON JR, JOSEPH CLAgranted 2014-01-17cancelled 2014-03-15
Successor callsigns
Callsigns held now by people who previously held K5MKC.
No current licensee on record previously held this callsign.