Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4RT callsign genealogy
Currently held by RAMOS, RAMON
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 NP4RT's current licensee, walking backwards.
- RAMOS, RAMONFLgranted 2024-12-04cancelled 2026-03-24
Successor callsigns
Callsigns held now by people who previously held NP4RT.
- VAZQUEZ DIAZ, MARTINPRgranted 2001-08-03cancelled 2013-08-06