Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4HDL callsign genealogy
Currently held by DIODONET LOPEZ, HECTOR J
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 KP4HDL's current licensee, walking backwards.
- DIODONET, HECTORPRgranted 2018-10-23cancelled 2018-11-27
Successor callsigns
Callsigns held now by people who previously held KP4HDL.
No current licensee on record previously held this callsign.