Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6MCA callsign genealogy
Currently held by MARINE CORPS AIR GROUND COMBAT CENTER
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 K6MCA's current licensee, walking backwards.
- ALLEN, MARK CCAgranted 2008-05-08cancelled 2008-05-28
Successor callsigns
Callsigns held now by people who previously held K6MCA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MCA, oldest first.
- MARINE CORPS AIR GROUND COMBAT CENTER CA1994-09-16 → cancelled 2006-09-19
- ALLEN, MARK C CA2019-02-08 active