Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RGM callsign genealogy
Currently held by MARMELSTEIN, RON 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 W9RGM's current licensee, walking backwards.
- MARMELSTEIN, RON GINgranted 2008-03-11cancelled 2008-04-26
Successor callsigns
Callsigns held now by people who previously held W9RGM.
No current licensee on record previously held this callsign.