Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RIA callsign genealogy
Currently held by Johnson, Maria H
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 K9RIA's current licensee, walking backwards.
- Johnson, Maria HOHgranted 2014-06-04cancelled 2014-06-24
Successor callsigns
Callsigns held now by people who previously held K9RIA.
No current licensee on record previously held this callsign.