Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RRM callsign genealogy
Currently held by Moss, Ryan 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 W9RRM's current licensee, walking backwards.
- Moss, Ryan RILgranted 2009-07-31cancelled 2009-10-16
Successor callsigns
Callsigns held now by people who previously held W9RRM.
No current licensee on record previously held this callsign.