Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MMG callsign genealogy
Currently held by POPONEA, JAMES R
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 K8MMG's current licensee, walking backwards.
- POPONEA, JAMES RMIgranted 2017-02-10cancelled 2017-03-12
Successor callsigns
Callsigns held now by people who previously held K8MMG.
All historical holders
Every license row we've seen with the callsign K8MMG, oldest first.
- White, Brandon W OH2006-01-10 → cancelled 2009-07-17
- GYI, MAUNG M CA2011-09-10 → cancelled 2012-06-08
- POPONEA, JAMES R MI2017-03-12 → cancelled 2017-07-04