Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4DD callsign genealogy
Currently held by SANCHEZ, JORGE 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 NP4DD's current licensee, walking backwards.
- SANCHEZ-ARROYO, JORGE APRgranted 2004-11-19cancelled 2005-05-20
Successor callsigns
Callsigns held now by people who previously held NP4DD.
- SANCHEZ, JORGE APRgranted 2020-07-28