Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TSD callsign genealogy
Currently held by Romines, Ryan A
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 K9TSD's current licensee, walking backwards.
- Romines, Ryan AINgranted 2007-02-05cancelled 2007-10-12
Successor callsigns
Callsigns held now by people who previously held K9TSD.
No current licensee on record previously held this callsign.