Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9OCM callsign genealogy
Currently held by Sicko, Mattison 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 K9OCM's current licensee, walking backwards.
- Sicko, Mattison PNYgranted 2024-04-17cancelled 2024-05-18
Successor callsigns
Callsigns held now by people who previously held K9OCM.
No current licensee on record previously held this callsign.