Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6CKM callsign genealogy
Currently held by CK McClatchy High School Amateur Radio Club
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 N6CKM's current licensee, walking backwards.
- KN6HUHcancelledCK McClatchy High School Amateur Radio ClubCAgranted 2020-02-24cancelled 2020-07-28
Successor callsigns
Callsigns held now by people who previously held N6CKM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CKM, oldest first.
- MULLICA, WILLIAM L CO1997-07-25 → cancelled 2009-07-28
- CK McClatchy High School Amateur Radio Club CA2020-07-28 active