Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4DL callsign genealogy
Currently held by Lugo-Valentin, Domingo
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 KP4DL's current licensee, walking backwards.
- Cruz-Velazquez, Hector JPRgranted 2023-10-31cancelled 2023-12-01
Successor callsigns
Callsigns held now by people who previously held KP4DL.
- Cruz-Velazquez, Hector JPRgranted 2024-01-13
All historical holders
Every license row we've seen with the callsign KP4DL, oldest first.
- Lugo-Valentin, Domingo PR2009-05-01 → cancelled 2021-07-12
- Cruz-Velazquez, Hector J PR2023-12-01 → cancelled 2024-01-13