Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4MA callsign genealogy
Currently held by VELEZ ARROYO, MAYDA
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 NP4MA's current licensee, walking backwards.
- VELEZ ARROYO, MAYDAPRgranted 2018-10-23cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held NP4MA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4MA, oldest first.
- ZAYAS SR, ELIUD PR2002-03-19 → cancelled 2014-06-03
- VELEZ ARROYO, MAYDA PR2018-12-11 active