Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RDZ callsign genealogy
Currently held by Diaz, Ramiro
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 K4RDZ's current licensee, walking backwards.
- Diaz, RamiroFLgranted 2019-04-23cancelled 2019-09-27
Successor callsigns
Callsigns held now by people who previously held K4RDZ.
No current licensee on record previously held this callsign.