Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4ARO callsign genealogy
Currently held by RODRIGUEZ OLIVO, ANGELO
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 KP4ARO's current licensee, walking backwards.
- RODRIGUEZ OLIVO, ANGELOPRgranted 2018-06-13cancelled 2018-07-06
Successor callsigns
Callsigns held now by people who previously held KP4ARO.
- Rodriguez 203, AngeloPRgranted 2018-09-25