Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4GGO callsign genealogy
Currently held by GARRETT, 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 KM4GGO's current licensee, walking backwards.
- GARRETT, MICHAEL SNCgranted 2004-09-23cancelled 2014-11-27
- N7GXUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KM4GGO.
No current licensee on record previously held this callsign.