Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP3I callsign genealogy
Currently held by KP4 Expedition Group
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 WP3I's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WP3I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP3I, oldest first.
- Renta-Rivera, Jose R PR2014-03-03 → cancelled 2026-05-27
- KP4 Expedition Group PR2026-06-26 active