Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9WWX callsign genealogy
Currently held by Blume, Ronald 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 K9WWX's current licensee, walking backwards.
- Blume, Ronald WTXgranted 2008-11-19cancelled 2009-01-27
Successor callsigns
Callsigns held now by people who previously held K9WWX.
No current licensee on record previously held this callsign.