Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4MHU callsign genealogy
Currently held by Phillips, Jack L
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 KG4MHU's current licensee, walking backwards.
- Phillips, Jack LGAgranted 2014-01-14cancelled 2017-12-08
Successor callsigns
Callsigns held now by people who previously held KG4MHU.
- Phillips, Jack LGAgranted 2014-01-14cancelled 2017-12-08
All historical holders
Every license row we've seen with the callsign KG4MHU, oldest first.
- Phillips, Jack L GA2001-03-12 → cancelled 2004-03-02
- Phillips, Jack L GA2017-12-08 active