Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4TRO callsign genealogy
Currently held by Rodriguez, Carlos J
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 KU4TRO's current licensee, walking backwards.
- Rodriguez, Carlos JFLgranted 2020-02-12cancelled 2020-03-24
Successor callsigns
Callsigns held now by people who previously held KU4TRO.
No current licensee on record previously held this callsign.