Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4MSP callsign genealogy
Currently held by SEPULVEDA, MANUEL J
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 KP4MSP's current licensee, walking backwards.
- SEPULVEDA, MANUEL JPRgranted 2001-12-20cancelled 2004-04-13
Successor callsigns
Callsigns held now by people who previously held KP4MSP.
No current licensee on record previously held this callsign.