Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9BLX callsign genealogy
Currently held by Coffey, Rory
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 K9BLX's current licensee, walking backwards.
- Coffey, RoryILgranted 2020-11-13cancelled 2020-12-08
Successor callsigns
Callsigns held now by people who previously held K9BLX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9BLX, oldest first.
- KLAUSNER, SHERMAN M NV2006-03-29 → cancelled 2018-06-08
- Coffey, Rory IL2020-12-08 active