Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4JRM callsign genealogy
Currently held by Reilly, Sean G
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 KG4JRM's current licensee, walking backwards.
- MANNIX, MATTHEW ANCgranted 2018-11-21cancelled 2018-12-27
Successor callsigns
Callsigns held now by people who previously held KG4JRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4JRM, oldest first.
- Reilly, Sean G FL2000-09-22 → cancelled 2012-09-25
- MANNIX, MATTHEW A NC2018-12-27 active