Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4RF callsign genealogy
Currently held by Vazquez, Pedro O
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 KB4RF's current licensee, walking backwards.
- Vazquez, Pedro OFLgranted 2008-12-02cancelled 2015-04-24
Successor callsigns
Callsigns held now by people who previously held KB4RF.
- Vazquez, Pedro OFLgranted 2025-06-10