Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4ML callsign genealogy
Currently held by Vigo Roman, Jose 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 NP4ML's current licensee, walking backwards.
- Vigo Roman, Jose APRgranted 2022-09-30cancelled 2022-11-15
Successor callsigns
Callsigns held now by people who previously held NP4ML.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4ML, oldest first.
- VAZQUEZ SANTIAGO, ABDEL ADIN NY1995-01-26 → cancelled 2007-01-27
- Vigo Roman, Jose A PR2022-11-15 active