Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4OOM callsign genealogy
Currently held by Oyola, Orlando
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 KP4OOM's current licensee, walking backwards.
- Oyola, OrlandoPRgranted 2022-07-01cancelled 2022-07-19
Successor callsigns
Callsigns held now by people who previously held KP4OOM.
No current licensee on record previously held this callsign.