Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1NGM callsign genealogy
Currently held by King, Matthew
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 K1NGM's current licensee, walking backwards.
- King, MatthewILgranted 2016-10-13cancelled 2022-07-16
Successor callsigns
Callsigns held now by people who previously held K1NGM.
No current licensee on record previously held this callsign.