Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9LLN callsign genealogy
Currently held by Thornburg, John 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 K9LLN's current licensee, walking backwards.
- Thornburg, John RINgranted 2017-05-26cancelled 2017-06-20
Successor callsigns
Callsigns held now by people who previously held K9LLN.
No current licensee on record previously held this callsign.