Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4MH callsign genealogy
Currently held by Hernandez-Tarafa, Migdalia
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 NP4MH's current licensee, walking backwards.
- HERNANDEZ-TARAFA, MIGDALIAPRgranted 2009-09-29cancelled 2009-11-03
Successor callsigns
Callsigns held now by people who previously held NP4MH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4MH, oldest first.
- SAN PEDRO, EDUARDO R PR1994-10-26 → cancelled 2006-10-27
- Hernandez-Tarafa, Migdalia PR2019-09-05 active