Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4REI callsign genealogy
Currently held by PROENZA, ROBERTO
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 KF4REI's current licensee, walking backwards.
- KB2TJHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF4REI.
- Proenza, RobertoFLgranted 2016-12-28