Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4AA callsign genealogy
Currently held by ROMAN, MIGUEL 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 NP4AA's current licensee, walking backwards.
- ROMAN, MIGUEL APRgranted 2002-07-08cancelled 2002-12-06
Successor callsigns
Callsigns held now by people who previously held NP4AA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4AA, oldest first.
- VARGAS ROMAN, RICARDO A PR1988-03-15 → cancelled 2000-03-16
- ROMAN, MIGUEL A PR2022-10-18 active