Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4MSR callsign genealogy
Currently held by Santamaria Rodriguez, Manuel E
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 KP4MSR's current licensee, walking backwards.
- Santamaria Rodriguez, Manuel EPRgranted 2013-07-12cancelled 2017-05-12
Successor callsigns
Callsigns held now by people who previously held KP4MSR.
No current licensee on record previously held this callsign.