Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MGU callsign genealogy
Currently held by Mageau II, James M
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 K4MGU's current licensee, walking backwards.
- Mageau II, James MFLgranted 2021-03-22cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held K4MGU.
No current licensee on record previously held this callsign.