Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4IG callsign genealogy
Currently held by SIMPSON, 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 KX4IG's current licensee, walking backwards.
- SIMPSON, MICHAEL SNCgranted 2015-12-03cancelled 2018-01-22
Successor callsigns
Callsigns held now by people who previously held KX4IG.
No current licensee on record previously held this callsign.