Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4SJR callsign genealogy
Currently held by GONZALEZ SOTO, SEGUNDO
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 KP4SJR's current licensee, walking backwards.
- GONZALEZ SOTO, SEGUNDOPRgranted 2018-05-07cancelled 2018-05-30
Successor callsigns
Callsigns held now by people who previously held KP4SJR.
No current licensee on record previously held this callsign.