Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RGM callsign genealogy
Currently held by Mercer, Roy 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 K9RGM's current licensee, walking backwards.
- Mercer, Roy GWIgranted 2015-07-20cancelled 2015-08-14
Successor callsigns
Callsigns held now by people who previously held K9RGM.
No current licensee on record previously held this callsign.