Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5NGM callsign genealogy
Currently held by King, Michael S
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 K5NGM's current licensee, walking backwards.
- King, Michael STXgranted 2019-08-05cancelled 2019-08-24
Successor callsigns
Callsigns held now by people who previously held K5NGM.
No current licensee on record previously held this callsign.