Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4GPS callsign genealogy
Currently held by DIAZ CINTRON SR, JUAN D
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 KP4GPS's current licensee, walking backwards.
- DIAZ CINTRON SR, JUAN DPRgranted 2018-10-25cancelled 2018-11-27
Successor callsigns
Callsigns held now by people who previously held KP4GPS.
No current licensee on record previously held this callsign.