Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4JOR callsign genealogy
Currently held by ORTIZ RUIZ, JIMMY A
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 KP4JOR's current licensee, walking backwards.
- ORTIZ RUIZ, JIMMY APRgranted 2021-08-27cancelled 2021-09-14
Successor callsigns
Callsigns held now by people who previously held KP4JOR.
No current licensee on record previously held this callsign.