Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TQ callsign genealogy
Currently held by ROTH, RONALD P
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 K9TQ's current licensee, walking backwards.
- ROTH, RONALD PINgranted 2022-11-22cancelled 2022-12-10
Successor callsigns
Callsigns held now by people who previously held K9TQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TQ, oldest first.
- TAYLOR, OTTILIE L IL2010-08-26 → cancelled 2022-11-22
- ROTH, RONALD P IN2022-12-10 active