Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4JHO callsign genealogy
Currently held by ORTIZ PAGAN, JOSE H
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 KP4JHO's current licensee, walking backwards.
- ORTIZ PAGAN, JOSE HPRgranted 2020-08-31cancelled 2020-11-24
Successor callsigns
Callsigns held now by people who previously held KP4JHO.
- ORTIZ PAGAN, JOSE HPRgranted 2020-12-15