Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DXX callsign genealogy
Currently held by Andersen, Thomas S
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 K9DXX's current licensee, walking backwards.
- Andersen, Thomas SILgranted 2015-05-18cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held K9DXX.
No current licensee on record previously held this callsign.