Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4SCS callsign genealogy
Currently held by Colon-Serrano, Santos
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 KP4SCS's current licensee, walking backwards.
- Colon-Serrano, SantosPRgranted 2018-06-04cancelled 2018-06-26
Successor callsigns
Callsigns held now by people who previously held KP4SCS.
No current licensee on record previously held this callsign.