Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4RTB callsign genealogy
Currently held by BRUMFIELD, RONALD T
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 KQ4RTB's current licensee, walking backwards.
- BRUMFIELD, RONALD TSCgranted 2021-08-18cancelled 2023-09-06
Successor callsigns
Callsigns held now by people who previously held KQ4RTB.
No current licensee on record previously held this callsign.