Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RWR callsign genealogy
Currently held by RATTA, RALPH W
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 K9RWR's current licensee, walking backwards.
- Harnetiaux, Richard LILgranted 2015-03-27cancelled 2015-04-18
Successor callsigns
Callsigns held now by people who previously held K9RWR.
- RATTA, RALPH WTXgranted 2024-04-18
All historical holders
Every license row we've seen with the callsign K9RWR, oldest first.
- RATTA, RALPH W TX2008-06-11 → cancelled 2014-07-12
- Harnetiaux, Richard L IL2015-04-18 active