Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ARD callsign genealogy
Currently held by Diaz Santiago, Antonio R
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 KP4ARD's current licensee, walking backwards.
- Diaz Santiago, Antonio RPRgranted 2010-09-29cancelled 2010-12-28
Successor callsigns
Callsigns held now by people who previously held KP4ARD.
No current licensee on record previously held this callsign.