Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4BB callsign genealogy
Currently held by ECHEVARRIA PADILLA, DAVID A
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 KP4BB's current licensee, walking backwards.
- ECHEVARRIA PADILLA, DAVID APRgranted 2023-02-04cancelled 2026-01-06
Successor callsigns
Callsigns held now by people who previously held KP4BB.
- ECHEVARRIA PADILLA, DAVID APRgranted 2023-02-04cancelled 2026-01-06
All historical holders
Every license row we've seen with the callsign KP4BB, oldest first.
- BINET MARQUEZ, NELSON PR2012-05-16 → cancelled 2017-06-21
- ECHEVARRIA PADILLA, DAVID A PR2021-03-09 → cancelled 2023-02-04
- ECHEVARRIA PADILLA, DAVID A PR2026-01-06 active