Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4HC callsign genealogy
Currently held by COLLAZO-VEGA, HENRY
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 NP4HC's current licensee, walking backwards.
- Collazo-Vega, HenryPRgranted 2014-05-07cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held NP4HC.
- COLLAZO-VEGA, HENRYPRgranted 2026-02-07