Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4OMD callsign genealogy
Currently held by MARIN-DIAZ, LUIS O
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 KP4OMD's current licensee, walking backwards.
- Marin Diaz, Luis OPRgranted 2024-08-07cancelled 2025-05-23
Successor callsigns
Callsigns held now by people who previously held KP4OMD.
No current licensee on record previously held this callsign.