Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4DA callsign genealogy
Currently held by Ochoa-Garcia, Dario 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 NP4DA's current licensee, walking backwards.
- Ochoa-Garcia, Dario APRgranted 2013-10-17cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held NP4DA.
- Ochoa, Dario APRgranted 2020-12-29cancelled 2021-08-13