Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4HSP callsign genealogy
Currently held by SANTIAGO PINEIRO, HECTOR C
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 KP4HSP's current licensee, walking backwards.
- SANTIAGO PINEIRO, HECTOR CPRgranted 2018-06-20cancelled 2021-04-10
Successor callsigns
Callsigns held now by people who previously held KP4HSP.
No current licensee on record previously held this callsign.